{
  "title": "Pairs of Angles - Grade 7 CBSE",
  "total_questions": 150,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "Two angles whose sum is 90° are called:", "options": {"A": "Supplementary angles", "B": "Complementary angles", "C": "Adjacent angles", "D": "Vertical angles"}, "correct_answer": "B"},
    {"id": 2, "difficulty": "easy", "question": "Two angles whose sum is 180° are called:", "options": {"A": "Complementary angles", "B": "Supplementary angles", "C": "Adjacent angles", "D": "Vertical angles"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "Angles that share a common vertex and arm are called:", "options": {"A": "Vertical angles", "B": "Adjacent angles", "C": "Complementary angles", "D": "Supplementary angles"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "Angles opposite each other when two lines intersect are called:", "options": {"A": "Adjacent angles", "B": "Vertical angles", "C": "Complementary angles", "D": "Supplementary angles"}, "correct_answer": "B"},
    {"id": 5, "difficulty": "easy", "question": "If two angles are complementary, and one is 30°, the other is:", "options": {"A": "30°", "B": "60°", "C": "150°", "D": "180°"}, "correct_answer": "B"},
    {"id": 6, "difficulty": "easy", "question": "If two angles are supplementary, and one is 110°, the other is:", "options": {"A": "70°", "B": "110°", "C": "180°", "D": "290°"}, "correct_answer": "A"},
    {"id": 7, "difficulty": "easy", "question": "Two adjacent angles that form a straight line are called:", "options": {"A": "Vertical angles", "B": "A linear pair", "C": "Complementary angles", "D": "Corresponding angles"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "Vertical angles are always:", "options": {"A": "Complementary", "B": "Supplementary", "C": "Equal", "D": "Adjacent"}, "correct_answer": "C"},
    {"id": 9, "difficulty": "easy", "question": "If ∠A and ∠B are complementary and ∠A = 45°, then ∠B =", "options": {"A": "45°", "B": "90°", "C": "135°", "D": "180°"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "If ∠P and ∠Q are supplementary and ∠P = 75°, then ∠Q =", "options": {"A": "15°", "B": "75°", "C": "105°", "D": "255°"}, "correct_answer": "C"},
    {"id": 11, "difficulty": "easy", "question": "Two angles that add up to 90° are:", "options": {"A": "Always adjacent", "B": "Sometimes adjacent", "C": "Never adjacent", "D": "Always vertical"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "Which of these is not a pair of angles?", "options": {"A": "Complementary angles", "B": "Supplementary angles", "C": "Parallel angles", "D": "Vertical angles"}, "correct_answer": "C"},
    {"id": 13, "difficulty": "easy", "question": "If two lines intersect, how many pairs of vertical angles are formed?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "B"},
    {"id": 14, "difficulty": "easy", "question": "Adjacent angles on a straight line add up to:", "options": {"A": "90°", "B": "180°", "C": "270°", "D": "360°"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "Can two acute angles be supplementary?", "options": {"A": "Yes", "B": "No", "C": "Sometimes", "D": "Only if they are 45° each"}, "correct_answer": "B"},
    {"id": 16, "difficulty": "easy", "question": "If two angles are complementary, each angle is:", "options": {"A": "Acute", "B": "Right", "C": "Obtuse", "D": "Straight"}, "correct_answer": "A"},
    {"id": 17, "difficulty": "easy", "question": "If two angles are supplementary, they can be:", "options": {"A": "Both acute", "B": "Both right", "C": "Both obtuse", "D": "One acute and one reflex"}, "correct_answer": "B"},
    {"id": 18, "difficulty": "easy", "question": "Which pair of angles are always equal?", "options": {"A": "Adjacent angles", "B": "Supplementary angles", "C": "Vertical angles", "D": "Complementary angles"}, "correct_answer": "C"},
    {"id": 19, "difficulty": "easy", "question": "If two angles form a linear pair, they are always:", "options": {"A": "Equal", "B": "Supplementary", "C": "Complementary", "D": "Vertical"}, "correct_answer": "B"},
    {"id": 20, "difficulty": "easy", "question": "The complement of 25° is:", "options": {"A": "25°", "B": "65°", "C": "155°", "D": "335°"}, "correct_answer": "B"},

    {"id": 21, "difficulty": "medium", "question": "If two complementary angles are in ratio 2:3, find the larger angle.", "options": {"A": "36°", "B": "54°", "C": "60°", "D": "72°"}, "correct_answer": "B"},
    {"id": 22, "difficulty": "medium", "question": "If two supplementary angles are in ratio 5:4, find the smaller angle.", "options": {"A": "60°", "B": "80°", "C": "100°", "D": "120°"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "The supplement of an angle is three times its complement. Find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "B"},
    {"id": 24, "difficulty": "medium", "question": "If ∠A and ∠B are complementary and ∠A = (2x + 10)°, ∠B = (3x - 20)°, find ∠A.", "options": {"A": "30°", "B": "40°", "C": "50°", "D": "60°"}, "correct_answer": "B"},
    {"id": 25, "difficulty": "medium", "question": "If ∠P and ∠Q are supplementary and ∠P = (4x - 15)°, ∠Q = (x + 60)°, find x.", "options": {"A": "15", "B": "21", "C": "27", "D": "33"}, "correct_answer": "C"},
    {"id": 26, "difficulty": "medium", "question": "Two angles are complementary. If one angle is 10° more than the other, find both angles.", "options": {"A": "35°, 55°", "B": "40°, 50°", "C": "45°, 45°", "D": "30°, 60°"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "Two angles are supplementary. If one angle is 20° less than the other, find the larger angle.", "options": {"A": "80°", "B": "100°", "C": "120°", "D": "140°"}, "correct_answer": "B"},
    {"id": 28, "difficulty": "medium", "question": "If an angle is 30° more than its complement, find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "C"},
    {"id": 29, "difficulty": "medium", "question": "The supplement of an angle is 50° more than the angle. Find the angle.", "options": {"A": "50°", "B": "65°", "C": "115°", "D": "130°"}, "correct_answer": "B"},
    {"id": 30, "difficulty": "medium", "question": "If two complementary angles are such that one is twice the other, find the smaller angle.", "options": {"A": "30°", "B": "40°", "C": "50°", "D": "60°"}, "correct_answer": "A"},
    {"id": 31, "difficulty": "medium", "question": "If two supplementary angles are such that one is three times the other, find the larger angle.", "options": {"A": "45°", "B": "90°", "C": "135°", "D": "180°"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "The complement of an angle is one-fourth of its supplement. Find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "C"},
    {"id": 33, "difficulty": "medium", "question": "If ∠X and ∠Y are complementary and ∠X = (5x - 10)°, ∠Y = (3x + 20)°, find ∠Y.", "options": {"A": "35°", "B": "40°", "C": "45°", "D": "50°"}, "correct_answer": "D"},
    {"id": 34, "difficulty": "medium", "question": "If ∠A and ∠B are supplementary and ∠A = (6x + 30)°, ∠B = (2x + 10)°, find ∠A.", "options": {"A": "100°", "B": "110°", "C": "120°", "D": "130°"}, "correct_answer": "C"},
    {"id": 35, "difficulty": "medium", "question": "Two angles are complementary. Their difference is 20°. Find the larger angle.", "options": {"A": "35°", "B": "45°", "C": "55°", "D": "65°"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "Two angles are supplementary. Their difference is 40°. Find the smaller angle.", "options": {"A": "60°", "B": "70°", "C": "80°", "D": "100°"}, "correct_answer": "B"},
    {"id": 37, "difficulty": "medium", "question": "If an angle is 15° less than its complement, find the angle.", "options": {"A": "30°", "B": "37.5°", "C": "45°", "D": "52.5°"}, "correct_answer": "B"},
    {"id": 38, "difficulty": "medium", "question": "The supplement of an angle is 100° more than the angle. Find the supplement.", "options": {"A": "100°", "B": "120°", "C": "140°", "D": "160°"}, "correct_answer": "C"},
    {"id": 39, "difficulty": "medium", "question": "If two complementary angles are in ratio 3:7, find the difference between them.", "options": {"A": "18°", "B": "24°", "C": "36°", "D": "42°"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "If two supplementary angles are in ratio 7:5, find the sum of the angles.", "options": {"A": "90°", "B": "180°", "C": "270°", "D": "360°"}, "correct_answer": "B"},
    {"id": 41, "difficulty": "medium", "question": "If an angle's complement is 20° more than the angle, find the angle.", "options": {"A": "25°", "B": "35°", "C": "45°", "D": "55°"}, "correct_answer": "B"},
    {"id": 42, "difficulty": "medium", "question": "The supplement of an angle is four times its complement. Find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "C"},
    {"id": 43, "difficulty": "medium", "question": "If ∠P and ∠Q are complementary and ∠P = (4x - 5)°, ∠Q = (x + 20)°, find x.", "options": {"A": "12", "B": "15", "C": "18", "D": "21"}, "correct_answer": "B"},
    {"id": 44, "difficulty": "medium", "question": "If ∠M and ∠N are supplementary and ∠M = (5x + 40)°, ∠N = (3x - 20)°, find ∠N.", "options": {"A": "40°", "B": "50°", "C": "60°", "D": "70°"}, "correct_answer": "D"},
    {"id": 45, "difficulty": "medium", "question": "Two angles are complementary. If one angle is 25° more than half the other, find the larger angle.", "options": {"A": "45°", "B": "55°", "C": "65°", "D": "75°"}, "correct_answer": "B"},
    {"id": 46, "difficulty": "medium", "question": "Two angles are supplementary. If one angle is 30° less than twice the other, find the smaller angle.", "options": {"A": "50°", "B": "60°", "C": "70°", "D": "80°"}, "correct_answer": "C"},
    {"id": 47, "difficulty": "medium", "question": "If an angle is 40° more than its complement, find its supplement.", "options": {"A": "110°", "B": "120°", "C": "130°", "D": "140°"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "medium", "question": "The difference between the supplement and complement of an angle is 100°. Find the angle.", "options": {"A": "35°", "B": "45°", "C": "55°", "D": "65°"}, "correct_answer": "C"},
    {"id": 49, "difficulty": "medium", "question": "If two complementary angles are such that one is 15° more than three times the other, find the smaller angle.", "options": {"A": "15°", "B": "18.75°", "C": "22.5°", "D": "25°"}, "correct_answer": "B"},
    {"id": 50, "difficulty": "medium", "question": "If two supplementary angles are such that one is 50° more than four times the other, find the larger angle.", "options": {"A": "130°", "B": "140°", "C": "150°", "D": "160°"}, "correct_answer": "C"},
    {"id": 51, "difficulty": "medium", "question": "The complement of an angle is one-third of its supplement. Find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "B"},
    {"id": 52, "difficulty": "medium", "question": "If ∠X and ∠Y are complementary and ∠X = (7x - 25)°, ∠Y = (2x + 15)°, find ∠X.", "options": {"A": "45°", "B": "50°", "C": "55°", "D": "60°"}, "correct_answer": "C"},
    {"id": 53, "difficulty": "medium", "question": "If ∠A and ∠B are supplementary and ∠A = (8x - 30)°, ∠B = (3x + 20)°, find x.", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "D"},
    {"id": 54, "difficulty": "medium", "question": "Two angles are complementary. Their sum is 90° and difference is 30°. Find the angles.", "options": {"A": "30°, 60°", "B": "40°, 50°", "C": "35°, 55°", "D": "45°, 45°"}, "correct_answer": "A"},
    {"id": 55, "difficulty": "medium", "question": "Two angles are supplementary. Their sum is 180° and one is 50° more than the other. Find both.", "options": {"A": "55°, 125°", "B": "60°, 120°", "C": "65°, 115°", "D": "70°, 110°"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "medium", "question": "If an angle is 35° less than its complement, find the angle.", "options": {"A": "22.5°", "B": "27.5°", "C": "32.5°", "D": "37.5°"}, "correct_answer": "B"},
    {"id": 57, "difficulty": "medium", "question": "The supplement of an angle is 120° more than the angle. Find the complement of the angle.", "options": {"A": "15°", "B": "30°", "C": "45°", "D": "60°"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "medium", "question": "If two complementary angles are in ratio 4:11, find the larger angle.", "options": {"A": "44°", "B": "66°", "C": "88°", "D": "110°"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "medium", "question": "If two supplementary angles are in ratio 9:11, find the difference between them.", "options": {"A": "9°", "B": "11°", "C": "18°", "D": "22°"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "medium", "question": "If an angle's complement is 30° less than the angle, find the angle.", "options": {"A": "40°", "B": "50°", "C": "60°", "D": "70°"}, "correct_answer": "C"},
    {"id": 61, "difficulty": "medium", "question": "The supplement of an angle is five times its complement. Find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "D"},
    {"id": 62, "difficulty": "medium", "question": "If ∠P and ∠Q are complementary and ∠P = (9x - 40)°, ∠Q = (2x + 15)°, find ∠Q.", "options": {"A": "25°", "B": "35°", "C": "45°", "D": "55°"}, "correct_answer": "B"},
    {"id": 63, "difficulty": "medium", "question": "If ∠M and ∠N are supplementary and ∠M = (10x - 20)°, ∠N = (4x + 40)°, find ∠M.", "options": {"A": "100°", "B": "110°", "C": "120°", "D": "130°"}, "correct_answer": "C"},
    {"id": 64, "difficulty": "medium", "question": "Two angles are complementary. If one angle is 40° more than one-third the other, find the larger angle.", "options": {"A": "55°", "B": "65°", "C": "75°", "D": "85°"}, "correct_answer": "C"},
    {"id": 65, "difficulty": "medium", "question": "Two angles are supplementary. If one angle is 60° less than three times the other, find the smaller angle.", "options": {"A": "40°", "B": "50°", "C": "60°", "D": "70°"}, "correct_answer": "C"},
    {"id": 66, "difficulty": "medium", "question": "If an angle is 50° more than its complement, find its supplement.", "options": {"A": "120°", "B": "130°", "C": "140°", "D": "150°"}, "correct_answer": "C"},
    {"id": 67, "difficulty": "medium", "question": "The difference between the supplement and complement of an angle is 120°. Find the angle.", "options": {"A": "45°", "B": "55°", "C": "65°", "D": "75°"}, "correct_answer": "D"},
    {"id": 68, "difficulty": "medium", "question": "If two complementary angles are such that one is 20° more than four times the other, find the smaller angle.", "options": {"A": "10°", "B": "12°", "C": "14°", "D": "16°"}, "correct_answer": "C"},
    {"id": 69, "difficulty": "medium", "question": "If two supplementary angles are such that one is 70° more than five times the other, find the larger angle.", "options": {"A": "140°", "B": "145°", "C": "150°", "D": "155°"}, "correct_answer": "D"},
    {"id": 70, "difficulty": "medium", "question": "The complement of an angle is one-fifth of its supplement. Find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "D"},
    {"id": 71, "difficulty": "medium", "question": "If ∠X and ∠Y are complementary and ∠X = (11x - 50)°, ∠Y = (3x + 20)°, find ∠X.", "options": {"A": "40°", "B": "45°", "C": "50°", "D": "55°"}, "correct_answer": "C"},
    {"id": 72, "difficulty": "medium", "question": "If ∠A and ∠B are supplementary and ∠A = (12x - 60)°, ∠B = (5x + 30)°, find x.", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "B"},
    {"id": 73, "difficulty": "medium", "question": "Two angles are complementary. Their sum is 90° and one is 25° more than the other. Find both.", "options": {"A": "30°, 60°", "B": "32.5°, 57.5°", "C": "35°, 55°", "D": "40°, 50°"}, "correct_answer": "B"},
    {"id": 74, "difficulty": "medium", "question": "Two angles are supplementary. Their sum is 180° and their difference is 60°. Find the smaller angle.", "options": {"A": "50°", "B": "60°", "C": "70°", "D": "80°"}, "correct_answer": "B"},
    {"id": 75, "difficulty": "medium", "question": "If an angle is 45° less than its complement, find the angle.", "options": {"A": "15°", "B": "22.5°", "C": "30°", "D": "37.5°"}, "correct_answer": "B"},
    {"id": 76, "difficulty": "medium", "question": "The supplement of an angle is 140° more than the angle. Find the complement of the angle.", "options": {"A": "10°", "B": "20°", "C": "30°", "D": "40°"}, "correct_answer": "B"},
    {"id": 77, "difficulty": "medium", "question": "If two complementary angles are in ratio 5:13, find the smaller angle.", "options": {"A": "25°", "B": "30°", "C": "35°", "D": "40°"}, "correct_answer": "A"},
    {"id": 78, "difficulty": "medium", "question": "If two supplementary angles are in ratio 13:7, find the sum of the angles.", "options": {"A": "90°", "B": "180°", "C": "270°", "D": "360°"}, "correct_answer": "B"},
    {"id": 79, "difficulty": "medium", "question": "If an angle's complement is 40° less than the angle, find the angle.", "options": {"A": "50°", "B": "60°", "C": "65°", "D": "70°"}, "correct_answer": "C"},
    {"id": 80, "difficulty": "medium", "question": "The supplement of an angle is six times its complement. Find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "72°"}, "correct_answer": "D"},

    {"id": 81, "difficulty": "hard", "question": "If the supplement of an angle is three times its complement, and the complement is 30° more than the angle, find the angle.", "options": {"A": "15°", "B": "20°", "C": "25°", "D": "30°"}, "correct_answer": "D"},
    {"id": 82, "difficulty": "hard", "question": "Three angles are such that the first is complementary to the second, the second is supplementary to the third, and the third is 40° more than the first. Find the third angle.", "options": {"A": "70°", "B": "80°", "C": "90°", "D": "100°"}, "correct_answer": "D"},
    {"id": 83, "difficulty": "hard", "question": "If ∠A and ∠B are complementary, ∠B and ∠C are supplementary, and ∠C = 5∠A, find ∠A.", "options": {"A": "15°", "B": "20°", "C": "25°", "D": "30°"}, "correct_answer": "A"},
    {"id": 84, "difficulty": "hard", "question": "The supplement of an angle is 60° more than twice its complement. Find the angle.", "options": {"A": "30°", "B": "40°", "C": "50°", "D": "60°"}, "correct_answer": "D"},
    {"id": 85, "difficulty": "hard", "question": "If an angle's complement and supplement are in ratio 1:4, find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "C"},
    {"id": 86, "difficulty": "hard", "question": "Four angles are such that each is complementary to the next. If the first angle is 20°, find the fourth angle.", "options": {"A": "20°", "B": "40°", "C": "60°", "D": "70°"}, "correct_answer": "D"},
    {"id": 87, "difficulty": "hard", "question": "If ∠X is complementary to ∠Y, ∠Y is supplementary to ∠Z, and ∠Z = 3∠X + 10°, find ∠X.", "options": {"A": "16°", "B": "20°", "C": "24°", "D": "28°"}, "correct_answer": "B"},
    {"id": 88, "difficulty": "hard", "question": "The difference between the supplement and twice the complement of an angle is 90°. Find the angle.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "A"},
    {"id": 89, "difficulty": "hard", "question": "Three angles A, B, C are such that A is complementary to B, B is complementary to C, and C = 2A - 15°. Find A.", "options": {"A": "25°", "B": "30°", "C": "35°", "D": "40°"}, "correct_answer": "C"},
    {"id": 90, "difficulty": "hard", "question": "If the supplement of an angle exceeds its complement by 120°, find the supplement of the angle.", "options": {"A": "120°", "B": "135°", "C": "150°", "D": "165°"}, "correct_answer": "C"},
    {"id": 91, "difficulty": "hard", "question": "∠P and ∠Q are complementary, ∠Q and ∠R are supplementary. If ∠R = 4∠P + 20°, find ∠P.", "options": {"A": "10°", "B": "15°", "C": "20°", "D": "25°"}, "correct_answer": "A"},
    {"id": 92, "difficulty": "hard", "question": "The supplement of an angle is 100° more than three times its complement. Find the angle.", "options": {"A": "40°", "B": "50°", "C": "60°", "D": "70°"}, "correct_answer": "B"},
    {"id": 93, "difficulty": "hard", "question": "If an angle's complement and supplement are in ratio 2:7, find the complement of the angle.", "options": {"A": "20°", "B": "30°", "C": "40°", "D": "50°"}, "correct_answer": "B"},
    {"id": 94, "difficulty": "hard", "question": "Five angles are such that each is supplementary to the next. If the first angle is 50°, find the fifth angle.", "options": {"A": "50°", "B": "100°", "C": "130°", "D": "150°"}, "correct_answer": "A"},
    {"id": 95, "difficulty": "hard", "question": "If ∠A is complementary to ∠B, ∠B is supplementary to ∠C, and ∠C = 6∠A - 30°, find ∠B.", "options": {"A": "30°", "B": "45°", "C": "60°", "D": "75°"}, "correct_answer": "C"},
    {"id": 96, "difficulty": "hard", "question": "The supplement of an angle is 150° more than twice its complement. Find the complement of the angle.", "options": {"A": "10°", "B": "20°", "C": "30°", "D": "40°"}, "correct_answer": "A"},
    {"id": 97, "difficulty": "hard", "question": "Three angles X, Y, Z are such that X is complementary to Y, Y is supplementary to Z, and Z = 5X - 40°. Find Y.", "options": {"A": "50°", "B": "60°", "C": "70°", "D": "80°"}, "correct_answer": "C"},
    {"id": 98, "difficulty": "hard", "question": "If an angle's supplement is 5 times its complement minus 20°, find the angle.", "options": {"A": "35°", "B": "45°", "C": "55°", "D": "65°"}, "correct_answer": "C"},
    {"id": 99, "difficulty": "hard", "question": "∠M and ∠N are complementary, ∠N and ∠P are supplementary. If ∠P = 7∠M - 10°, find ∠N.", "options": {"A": "30°", "B": "40°", "C": "50°", "D": "60°"}, "correct_answer": "B"},
    {"id": 100, "difficulty": "hard", "question": "The difference between the supplement and three times the complement of an angle is 50°. Find the supplement of the angle.", "options": {"A": "110°", "B": "120°", "C": "130°", "D": "140°"}, "correct_answer": "D"}
 ,

  {"id":101,"difficulty":"easy","question":"The sum of two complementary angles is:","options":{"A":"45°","B":"90°","C":"180°","D":"360°"},"correct_answer":"B"},
  {"id":102,"difficulty":"easy","question":"The sum of two supplementary angles is:","options":{"A":"90°","B":"120°","C":"180°","D":"270°"},"correct_answer":"C"},
  {"id":103,"difficulty":"easy","question":"Angles that are equal and opposite are called:","options":{"A":"Adjacent","B":"Linear pair","C":"Vertical","D":"Complementary"},"correct_answer":"C"},
  {"id":104,"difficulty":"easy","question":"If one angle is 40°, its complement is:","options":{"A":"40°","B":"50°","C":"60°","D":"140°"},"correct_answer":"B"},
  {"id":105,"difficulty":"easy","question":"If one angle is 110°, its supplement is:","options":{"A":"60°","B":"70°","C":"80°","D":"90°"},"correct_answer":"B"},
  {"id":106,"difficulty":"easy","question":"Two angles forming a straight line are always:","options":{"A":"Complementary","B":"Vertical","C":"Supplementary","D":"Equal"},"correct_answer":"C"},
  {"id":107,"difficulty":"easy","question":"Vertical angles are formed when two lines:","options":{"A":"Are parallel","B":"Intersect","C":"Overlap","D":"Are perpendicular"},"correct_answer":"B"},
  {"id":108,"difficulty":"easy","question":"The complement of 70° is:","options":{"A":"10°","B":"20°","C":"30°","D":"40°"},"correct_answer":"B"},
  {"id":109,"difficulty":"easy","question":"The supplement of 95° is:","options":{"A":"75°","B":"85°","C":"95°","D":"105°"},"correct_answer":"A"},
  {"id":110,"difficulty":"easy","question":"Angles that share a common side are called:","options":{"A":"Vertical","B":"Supplementary","C":"Adjacent","D":"Complementary"},"correct_answer":"C"},
  {"id":111,"difficulty":"easy","question":"If two angles are complementary, each angle must be:","options":{"A":"Acute","B":"Right","C":"Obtuse","D":"Reflex"},"correct_answer":"A"},
  {"id":112,"difficulty":"easy","question":"A linear pair of angles always adds up to:","options":{"A":"90°","B":"120°","C":"180°","D":"360°"},"correct_answer":"C"},
  {"id":113,"difficulty":"easy","question":"Which angle pair is always equal?","options":{"A":"Adjacent","B":"Linear","C":"Vertical","D":"Supplementary"},"correct_answer":"C"},
  {"id":114,"difficulty":"easy","question":"Complement of an obtuse angle is:","options":{"A":"Possible","B":"Always acute","C":"Not possible","D":"Right angle"},"correct_answer":"C"},
  {"id":115,"difficulty":"easy","question":"If two angles are equal and supplementary, each angle is:","options":{"A":"45°","B":"60°","C":"90°","D":"120°"},"correct_answer":"C"},

  {"id":116,"difficulty":"medium","question":"If two complementary angles are in ratio 1:2, find the larger angle.","options":{"A":"30°","B":"45°","C":"60°","D":"75°"},"correct_answer":"C"},
  {"id":117,"difficulty":"medium","question":"If two supplementary angles are in ratio 2:7, find the smaller angle.","options":{"A":"40°","B":"50°","C":"60°","D":"70°"},"correct_answer":"B"},
  {"id":118,"difficulty":"medium","question":"The complement of an angle is 15° less than the angle. Find the angle.","options":{"A":"35°","B":"45°","C":"52.5°","D":"60°"},"correct_answer":"C"},
  {"id":119,"difficulty":"medium","question":"The supplement of an angle is twice the angle. Find the angle.","options":{"A":"45°","B":"60°","C":"90°","D":"120°"},"correct_answer":"B"},
  {"id":120,"difficulty":"medium","question":"Two angles are supplementary. One angle is 30° more than the other. Find the larger angle.","options":{"A":"75°","B":"90°","C":"105°","D":"120°"},"correct_answer":"C"},
  {"id":121,"difficulty":"medium","question":"If the complement of an angle is 25°, find the supplement of the angle.","options":{"A":"115°","B":"130°","C":"145°","D":"155°"},"correct_answer":"C"},
  {"id":122,"difficulty":"medium","question":"If two angles differ by 20° and are complementary, find the larger angle.","options":{"A":"35°","B":"45°","C":"55°","D":"65°"},"correct_answer":"C"},
  {"id":123,"difficulty":"medium","question":"If two supplementary angles are equal, each angle is:","options":{"A":"60°","B":"75°","C":"90°","D":"120°"},"correct_answer":"C"},
  {"id":124,"difficulty":"medium","question":"The complement of an angle is one-third of the angle. Find the angle.","options":{"A":"45°","B":"60°","C":"67.5°","D":"75°"},"correct_answer":"C"},
  {"id":125,"difficulty":"medium","question":"The difference between two supplementary angles is 40°. Find the smaller angle.","options":{"A":"50°","B":"60°","C":"70°","D":"80°"},"correct_answer":"B"},
  {"id":126,"difficulty":"medium","question":"If an angle is 20° more than its complement, find the angle.","options":{"A":"35°","B":"45°","C":"55°","D":"65°"},"correct_answer":"C"},
  {"id":127,"difficulty":"medium","question":"Two angles are complementary. One is twice the other. Find the smaller angle.","options":{"A":"20°","B":"30°","C":"40°","D":"45°"},"correct_answer":"B"},
  {"id":128,"difficulty":"medium","question":"If the supplement of an angle is 3 times its complement, find the angle.","options":{"A":"30°","B":"45°","C":"60°","D":"75°"},"correct_answer":"C"},
  {"id":129,"difficulty":"medium","question":"If an angle is 10° less than its supplement, find the angle.","options":{"A":"80°","B":"85°","C":"90°","D":"95°"},"correct_answer":"B"},
  {"id":130,"difficulty":"medium","question":"Two angles are complementary. Their ratio is 4:5. Find the larger angle.","options":{"A":"36°","B":"40°","C":"50°","D":"54°"},"correct_answer":"D"},
  {"id":131,"difficulty":"medium","question":"The sum of the complement and supplement of an angle is:","options":{"A":"90°","B":"180°","C":"270°","D":"360°"},"correct_answer":"C"},
  {"id":132,"difficulty":"medium","question":"If the complement of an angle is 18°, find the angle.","options":{"A":"62°","B":"72°","C":"78°","D":"82°"},"correct_answer":"C"},
  {"id":133,"difficulty":"medium","question":"If two angles are supplementary and one is thrice the other, find the larger angle.","options":{"A":"90°","B":"120°","C":"135°","D":"150°"},"correct_answer":"C"},
  {"id":134,"difficulty":"medium","question":"If an angle is 5° less than its complement, find the angle.","options":{"A":"42.5°","B":"45°","C":"47.5°","D":"50°"},"correct_answer":"A"},
  {"id":135,"difficulty":"medium","question":"If an angle’s supplement is 110°, find the complement of the angle.","options":{"A":"20°","B":"30°","C":"40°","D":"50°"},"correct_answer":"C"},
  {"id":136,"difficulty":"medium","question":"Two angles are complementary. One angle is 12° more than half the other. Find the larger angle.","options":{"A":"48°","B":"50°","C":"52°","D":"54°"},"correct_answer":"C"},
  {"id":137,"difficulty":"medium","question":"If the difference of two complementary angles is 30°, find the smaller angle.","options":{"A":"30°","B":"35°","C":"45°","D":"60°"},"correct_answer":"A"},
  {"id":138,"difficulty":"medium","question":"If an angle is equal to its complement, find the angle.","options":{"A":"30°","B":"45°","C":"60°","D":"90°"},"correct_answer":"B"},
  {"id":139,"difficulty":"medium","question":"If two angles form a linear pair and one angle is 65°, find the other angle.","options":{"A":"95°","B":"105°","C":"115°","D":"125°"},"correct_answer":"A"},
  {"id":140,"difficulty":"medium","question":"The supplement of an angle is 40° more than the angle. Find the angle.","options":{"A":"70°","B":"80°","C":"90°","D":"100°"},"correct_answer":"B"},
  {"id":141,"difficulty":"medium","question":"If two angles are complementary and one angle is 3 times the other, find the smaller angle.","options":{"A":"15°","B":"20°","C":"30°","D":"45°"},"correct_answer":"B"},
  {"id":142,"difficulty":"medium","question":"If the supplement of an angle is 150°, find the complement of the angle.","options":{"A":"30°","B":"40°","C":"60°","D":"70°"},"correct_answer":"C"},
  {"id":143,"difficulty":"medium","question":"If two supplementary angles differ by 60°, find the larger angle.","options":{"A":"90°","B":"100°","C":"120°","D":"150°"},"correct_answer":"C"},
  {"id":144,"difficulty":"medium","question":"If the complement of an angle is 2 times the angle, find the angle.","options":{"A":"30°","B":"45°","C":"60°","D":"75°"},"correct_answer":"A"},
  {"id":145,"difficulty":"medium","question":"The sum of two equal complementary angles is:","options":{"A":"45°","B":"60°","C":"90°","D":"180°"},"correct_answer":"C"},

  {"id":146,"difficulty":"hard","question":"The supplement of an angle is 4 times its complement. Find the angle.","options":{"A":"30°","B":"45°","C":"60°","D":"72°"},"correct_answer":"C"},
  {"id":147,"difficulty":"hard","question":"If the difference between the supplement and complement of an angle is 100°, find the angle.","options":{"A":"30°","B":"40°","C":"50°","D":"60°"},"correct_answer":"C"},
  {"id":148,"difficulty":"hard","question":"If an angle is 15° more than half its complement, find the angle.","options":{"A":"30°","B":"36°","C":"45°","D":"54°"},"correct_answer":"D"},
  {"id":149,"difficulty":"hard","question":"If the supplement of an angle exceeds its complement by 140°, find the angle.","options":{"A":"40°","B":"50°","C":"60°","D":"70°"},"correct_answer":"C"},
  {"id":150,"difficulty":"hard","question":"The ratio of the supplement and complement of an angle is 5:1. Find the angle.","options":{"A":"30°","B":"45°","C":"60°","D":"75°"},"correct_answer":"C"}
 ]
}