{
  "title": "Angle Properties - Grade 5 ICSE",
  "total_questions": 100,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "How many degrees are in a right angle? 📐",
      "options": { "A": "45°", "B": "90°", "C": "180°", "D": "360°" },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "What type of angle is less than 90°? 🔺",
      "options": { "A": "Obtuse", "B": "Right", "C": "Acute", "D": "Straight" },
      "correct_answer": "C"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "A straight angle measures ____ degrees. 📏",
      "options": { "A": "90", "B": "180", "C": "45", "D": "360" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "What type of angle is between 90° and 180°? 🔽",
      "options": { "A": "Acute", "B": "Right", "C": "Obtuse", "D": "Reflex" },
      "correct_answer": "C"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "How many right angles make a straight angle? ⚡",
      "options": { "A": "1", "B": "2", "C": "3", "D": "4" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Two angles that add to 90° are called ______. ➕",
      "options": {
        "A": "Supplementary",
        "B": "Complementary",
        "C": "Adjacent",
        "D": "Vertical"
      },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "What is the complement of 30°? 🧮",
      "options": { "A": "60°", "B": "150°", "C": "30°", "D": "120°" },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "An angle of 45° is ______ angle. 📐",
      "options": { "A": "Right", "B": "Obtuse", "C": "Acute", "D": "Straight" },
      "correct_answer": "C"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "A full turn is ____ degrees. 🔄",
      "options": { "A": "90", "B": "180", "C": "270", "D": "360" },
      "correct_answer": "D"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "What is the supplement of 100°? ➖",
      "options": { "A": "80°", "B": "90°", "C": "100°", "D": "60°" },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Two angles that share a common side are ______. ↔️",
      "options": {
        "A": "Complementary",
        "B": "Supplementary",
        "C": "Adjacent",
        "D": "Opposite"
      },
      "correct_answer": "C"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "How many degrees in 1/4 of a circle? 🍕",
      "options": { "A": "45°", "B": "90°", "C": "180°", "D": "270°" },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "An angle of 120° is ______. 🔽",
      "options": { "A": "Acute", "B": "Right", "C": "Obtuse", "D": "Straight" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Two right angles make ____ degrees. ⭐",
      "options": { "A": "90", "B": "180", "C": "270", "D": "360" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "What is the complement of 75°? 🧮",
      "options": { "A": "15°", "B": "25°", "C": "105°", "D": "115°" },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "Angles around a point add up to _____. ⭕",
      "options": { "A": "90°", "B": "180°", "C": "270°", "D": "360°" },
      "correct_answer": "D"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "What is 1/2 of a straight angle? ➗",
      "options": { "A": "45°", "B": "90°", "C": "120°", "D": "180°" },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "An angle greater than 180° but less than 360° is ______. 🔄",
      "options": { "A": "Acute", "B": "Reflex", "C": "Obtuse", "D": "Right" },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "The hands of a clock at 3:00 form a ____ angle. 🕒",
      "options": { "A": "Acute", "B": "Obtuse", "C": "Right", "D": "Straight" },
      "correct_answer": "C"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "Two angles that add to 180° are ______. ➕",
      "options": {
        "A": "Complementary",
        "B": "Supplementary",
        "C": "Adjacent",
        "D": "Vertical"
      },
      "correct_answer": "B"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "If ∠A = 35° and ∠B = 55°, they are ______ angles. ➕",
      "options": {
        "A": "Supplementary",
        "B": "Complementary",
        "C": "Vertical",
        "D": "Adjacent"
      },
      "correct_answer": "B"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Two lines that cross make ______ angles equal. ❌",
      "options": {
        "A": "Adjacent",
        "B": "Complementary",
        "C": "Vertical",
        "D": "Supplementary"
      },
      "correct_answer": "C"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "If two angles are supplementary and one is 110°, the other is ____. 🧮",
      "options": { "A": "70°", "B": "80°", "C": "90°", "D": "100°" },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "How many degrees are there in 3 right angles? ⭐",
      "options": { "A": "180°", "B": "240°", "C": "270°", "D": "300°" },
      "correct_answer": "C"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "An angle is 20° more than its complement. What is the angle? 🤔",
      "options": {
        "A": "35°",
        "B": "45°",
        "C": "55°",
        "D": "65°"
      },
      "correct_answer": "C"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Two adjacent angles on a straight line are always ______. 📏",
      "options": {
        "A": "Complementary",
        "B": "Supplementary",
        "C": "Equal",
        "D": "Acute"
      },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "If ∠X and ∠Y are vertical angles, and ∠X = 45°, then ∠Y = ____. ⚖️",
      "options": { "A": "45°", "B": "90°", "C": "135°", "D": "180°" },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "What fraction of a circle is 60°? 🍰",
      "options": { "A": "1/2", "B": "1/3", "C": "1/4", "D": "1/6" },
      "correct_answer": "D"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "An angle is twice its complement. What is the angle? 🔄",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "90°" },
      "correct_answer": "C"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "How many degrees in 1/3 of a right angle? 📐",
      "options": { "A": "15°", "B": "20°", "C": "30°", "D": "45°" },
      "correct_answer": "C"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "The supplement of an acute angle is always ______. 🔽",
      "options": { "A": "Acute", "B": "Obtuse", "C": "Right", "D": "Straight" },
      "correct_answer": "B"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Two complementary angles are in ratio 2:3. The smaller angle is ____. ⚖️",
      "options": { "A": "36°", "B": "54°", "C": "60°", "D": "72°" },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Angles in a triangle add up to ____. 🔺",
      "options": { "A": "90°", "B": "180°", "C": "270°", "D": "360°" },
      "correct_answer": "B"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "If one angle of a linear pair is 75°, the other is ____. 📏",
      "options": { "A": "75°", "B": "105°", "C": "15°", "D": "90°" },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "What is the reflex angle corresponding to 45°? 🔄",
      "options": { "A": "135°", "B": "225°", "C": "315°", "D": "270°" },
      "correct_answer": "C"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "The angle between North and East is ____. 🧭",
      "options": { "A": "45°", "B": "90°", "C": "180°", "D": "270°" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "Two supplementary angles are in ratio 4:5. The larger angle is ____. ⚖️",
      "options": { "A": "80°", "B": "100°", "C": "120°", "D": "140°" },
      "correct_answer": "B"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "If an angle is 30° less than its supplement, the angle is ____. ➖",
      "options": { "A": "75°", "B": "105°", "C": "30°", "D": "60°" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "How many degrees does the hour hand move in 2 hours? 🕐",
      "options": { "A": "30°", "B": "60°", "C": "90°", "D": "120°" },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "The complement of the supplement of 150° is ____. 🔄",
      "options": { "A": "30°", "B": "60°", "C": "120°", "D": "150°" },
      "correct_answer": "B"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "If the angles (2x+10)° and (3x-20)° are complementary, find x. 🧮",
      "options": { "A": "10", "B": "20", "C": "30", "D": "40" },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "The supplement of an angle is 5 times its complement. Find the angle. 🔍",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "67.5°" },
      "correct_answer": "D"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Two lines intersect. If one angle is 70°, the other three angles are ____. ❌",
      "options": {
        "A": "70°, 110°, 110°",
        "B": "70°, 70°, 110°",
        "C": "110°, 110°, 110°",
        "D": "70°, 70°, 70°"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "In a triangle, one angle is 60° and another is 70°. The third angle is ____. 🔺",
      "options": { "A": "40°", "B": "50°", "C": "60°", "D": "70°" },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "An angle is 24° more than its complement. The angle is ____. ➕",
      "options": { "A": "33°", "B": "57°", "C": "66°", "D": "78°" },
      "correct_answer": "B"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "If angles of a quadrilateral are in ratio 1:2:3:4, the smallest angle is ____. 🔲",
      "options": { "A": "36°", "B": "54°", "C": "72°", "D": "90°" },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "The angle between the hands of a clock at 2:30 is ____. 🕝",
      "options": { "A": "90°", "B": "105°", "C": "120°", "D": "135°" },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Two complementary angles differ by 20°. The larger angle is ____. 🔍",
      "options": { "A": "35°", "B": "45°", "C": "55°", "D": "65°" },
      "correct_answer": "C"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "If an angle's supplement is 4 times its complement, the angle is ____. 🔄",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "75°" },
      "correct_answer": "C"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Angles around a point are 85°, 95°, 110°, and x. Find x. ⭕",
      "options": { "A": "60°", "B": "70°", "C": "80°", "D": "90°" },
      "correct_answer": "B"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "In a right triangle, the two acute angles are in ratio 2:3. The smaller acute angle is ____. 🔺",
      "options": { "A": "30°", "B": "36°", "C": "45°", "D": "54°" },
      "correct_answer": "B"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "If 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": 53,
      "difficulty": "hard",
      "question": "The angle between the hour and minute hands at 4:20 is ____. 🕓",
      "options": { "A": "0°", "B": "5°", "C": "10°", "D": "15°" },
      "correct_answer": "C"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "If two parallel lines are cut by a transversal, corresponding angles are ____. ↔️",
      "options": {
        "A": "Complementary",
        "B": "Supplementary",
        "C": "Equal",
        "D": "Adjacent"
      },
      "correct_answer": "C"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "An angle is 10° less than 1/3 of its supplement. Find the angle. ➖",
      "options": {
        "A": "30°",
        "B": "37.5°",
        "C": "45°",
        "D": "50°"
      },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "The sum of two adjacent angles is 150°. If one is twice the other, find the smaller. 🔍",
      "options": { "A": "30°", "B": "50°", "C": "70°", "D": "100°" },
      "correct_answer": "B"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "How many degrees does the minute hand move in 18 minutes? ⏰",
      "options": { "A": "54°", "B": "90°", "C": "108°", "D": "120°" },
      "correct_answer": "C"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "If interior angles of a triangle are (x+10)°, (2x+20)°, (3x+30)°, find the largest angle. 🔺",
      "options": { "A": "50°", "B": "70°", "C": "90°", "D": "110°" },
      "correct_answer": "D"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "The complement of an angle is 1/5 of its supplement. The angle is ____. 🔄",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "67.5°" },
      "correct_answer": "D"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "If ∠A and ∠B are supplementary and ∠A - ∠B = 40°, find ∠A. ➖",
      "options": { "A": "70°", "B": "90°", "C": "110°", "D": "130°" },
      "correct_answer": "C"
    },
    {
      "id": 61,
      "difficulty": "hard",
      "question": "The reflex angle of 75° is ____. 🔄",
      "options": { "A": "105°", "B": "255°", "C": "285°", "D": "195°" },
      "correct_answer": "C"
    },
    {
      "id": 62,
      "difficulty": "hard",
      "question": "Two angles are complementary. If one is 15° more than twice the other, find the smaller. 🔍",
      "options": { "A": "25°", "B": "35°", "C": "45°", "D": "55°" },
      "correct_answer": "A"
    },
    {
      "id": 63,
      "difficulty": "hard",
      "question": "How many degrees between South-East and North-West? 🧭",
      "options": { "A": "90°", "B": "135°", "C": "180°", "D": "225°" },
      "correct_answer": "C"
    },
    {
      "id": 64,
      "difficulty": "hard",
      "question": "If the angles (3x+20)° and (2x-10)° are supplementary, find x. 🧮",
      "options": { "A": "30", "B": "34", "C": "40", "D": "50" },
      "correct_answer": "B"
    },
    {
      "id": 65,
      "difficulty": "hard",
      "question": "In an isosceles triangle, the vertex angle is 40°. Each base angle is ____. 🔺",
      "options": { "A": "40°", "B": "60°", "C": "70°", "D": "80°" },
      "correct_answer": "C"
    },
    {
      "id": 66,
      "difficulty": "hard",
      "question": "The supplement of an angle is 30° more than twice its complement. The angle is ____. 🔄",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "75°" },
      "correct_answer": "A"
    },
    {
      "id": 67,
      "difficulty": "hard",
      "question": "If an angle's complement is 25°, its supplement is ____. ➕",
      "options": { "A": "65°", "B": "115°", "C": "155°", "D": "205°" },
      "correct_answer": "B"
    },
    {
      "id": 68,
      "difficulty": "hard",
      "question": "Angles at a point are x°, 2x°, 3x°, and 4x°. Find the largest angle. ⭕",
      "options": { "A": "72°", "B": "108°", "C": "144°", "D": "180°" },
      "correct_answer": "C"
    },
    {
      "id": 69,
      "difficulty": "hard",
      "question": "The angle between the hour and minute hands at 7:00 is ____. 🕖",
      "options": { "A": "150°", "B": "160°", "C": "180°", "D": "210°" },
      "correct_answer": "A"
    },
    {
      "id": 70,
      "difficulty": "hard",
      "question": "If two angles are supplementary and one is 3 times the other, the smaller angle is ____. ⚖️",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "75°" },
      "correct_answer": "B"
    },
    {
      "id": 71,
      "difficulty": "hard",
      "question": "How many degrees in 2/5 of a circle? 🍰",
      "options": { "A": "72°", "B": "108°", "C": "144°", "D": "180°" },
      "correct_answer": "C"
    },
    {
      "id": 72,
      "difficulty": "hard",
      "question": "If an angle is 36° less than its supplement, the angle is ____. ➖",
      "options": { "A": "54°", "B": "72°", "C": "108°", "D": "144°" },
      "correct_answer": "B"
    },
    {
      "id": 73,
      "difficulty": "hard",
      "question": "The complement of 1/3 of a right angle is ____. 📐",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "75°" },
      "correct_answer": "C"
    },
    {
      "id": 74,
      "difficulty": "hard",
      "question": "Two adjacent angles are in ratio 5:4. If they are supplementary, the larger is ____. ⚖️",
      "options": { "A": "80°", "B": "100°", "C": "120°", "D": "140°" },
      "correct_answer": "B"
    },
    {
      "id": 75,
      "difficulty": "hard",
      "question": "If an angle is divided into two complementary angles with ratio 2:7, the smaller part is ____. ➗",
      "options": { "A": "20°", "B": "30°", "C": "40°", "D": "50°" },
      "correct_answer": "A"
    },
    {
      "id": 76,
      "difficulty": "hard",
      "question": "The supplement of the complement of 30° is ____. 🔄",
      "options": { "A": "60°", "B": "90°", "C": "120°", "D": "150°" },
      "correct_answer": "C"
    },
    {
      "id": 77,
      "difficulty": "hard",
      "question": "If an angle's measure is 20% of its supplement, the angle is ____. 📊",
      "options": { "A": "30°", "B": "36°", "C": "45°", "D": "60°" },
      "correct_answer": "A"
    },
    {
      "id": 78,
      "difficulty": "hard",
      "question": "In a right triangle, one acute angle is 10° more than the other. The smaller is ____. 🔺",
      "options": { "A": "40°", "B": "45°", "C": "50°", "D": "55°" },
      "correct_answer": "A"
    },
    {
      "id": 79,
      "difficulty": "hard",
      "question": "How many degrees between the hands at 10:10? 🕙",
      "options": { "A": "115°", "B": "120°", "C": "125°", "D": "130°" },
      "correct_answer": "A"
    },
    {
      "id": 80,
      "difficulty": "hard",
      "question": "If (x+20)° and (2x-40)° are complementary, find x. 🧮",
      "options": {
        "A": "30",
        "B": "35",
        "C": "36.67",
        "D": "40"
      },
      "correct_answer": "C"
    },
    {
      "id": 81,
      "difficulty": "hard",
      "question": "The angle which is 4 times its complement is ____. 🔄",
      "options": { "A": "60°", "B": "72°", "C": "80°", "D": "90°" },
      "correct_answer": "B"
    },
    {
      "id": 82,
      "difficulty": "hard",
      "question": "If two angles are supplementary and the difference is 50°, the larger is ____. ➖",
      "options": { "A": "65°", "B": "85°", "C": "105°", "D": "115°" },
      "correct_answer": "D"
    },
    {
      "id": 83,
      "difficulty": "hard",
      "question": "How many degrees in 7/12 of a circle? 🍰",
      "options": { "A": "180°", "B": "210°", "C": "240°", "D": "270°" },
      "correct_answer": "B"
    },
    {
      "id": 84,
      "difficulty": "hard",
      "question": "If an angle is 15° more than 1/2 of its complement, the angle is ____. ➕",
      "options": { "A": "35°", "B": "40°", "C": "45°", "D": "50°" },
      "correct_answer": "B"
    },
    {
      "id": 85,
      "difficulty": "hard",
      "question": "The supplement of an angle is 6 times its complement. The angle is ____. 🔄",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "72°" },
      "correct_answer": "D"
    },
    {
      "id": 86,
      "difficulty": "hard",
      "question": "If the angles of a triangle are in ratio 1:2:6, the smallest angle is ____. 🔺",
      "options": { "A": "20°", "B": "30°", "C": "40°", "D": "50°" },
      "correct_answer": "A"
    },
    {
      "id": 87,
      "difficulty": "hard",
      "question": "The complement of an angle is 1/4 of its supplement. The angle is ____. 🔄",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "75°" },
      "correct_answer": "C"
    },
    {
      "id": 88,
      "difficulty": "hard",
      "question": "How many degrees does the hour hand move in 45 minutes? 🕐",
      "options": { "A": "15°", "B": "22.5°", "C": "30°", "D": "45°" },
      "correct_answer": "B"
    },
    {
      "id": 89,
      "difficulty": "hard",
      "question": "If an angle is twice its supplement, the angle is ____. 🔄",
      "options": { "A": "60°", "B": "90°", "C": "120°", "D": "150°" },
      "correct_answer": "C"
    },
    {
      "id": 90,
      "difficulty": "hard",
      "question": "The angle between North and North-East is ____. 🧭",
      "options": { "A": "22.5°", "B": "45°", "C": "67.5°", "D": "90°" },
      "correct_answer": "B"
    },
    {
      "id": 91,
      "difficulty": "hard",
      "question": "If three angles at a point are 85°, 2x°, and 3x+5°, find x. ⭕",
      "options": { "A": "45", "B": "50", "C": "54", "D": "60" },
      "correct_answer": "C"
    },
    {
      "id": 92,
      "difficulty": "hard",
      "question": "The supplement of an angle is 50° more than the angle. The angle is ____. ➕",
      "options": { "A": "65°", "B": "75°", "C": "85°", "D": "95°" },
      "correct_answer": "A"
    },
    {
      "id": 93,
      "difficulty": "hard",
      "question": "How many degrees in 5/8 of a circle? 🍰",
      "options": { "A": "180°", "B": "225°", "C": "270°", "D": "315°" },
      "correct_answer": "B"
    },
    {
      "id": 94,
      "difficulty": "hard",
      "question": "If an angle is 30° less than 2/3 of its supplement, the angle is ____. ➖",
      "options": {
        "A": "30°",
        "B": "42°",
        "C": "54°",
        "D": "66°"
      },
      "correct_answer": "C"
    },
    {
      "id": 95,
      "difficulty": "hard",
      "question": "The complement of (90-x)° is ____. 🧮",
      "options": { "A": "x°", "B": "(90-x)°", "C": "(180-x)°", "D": "(90+x)°" },
      "correct_answer": "A"
    },
    {
      "id": 96,
      "difficulty": "hard",
      "question": "If an angle's measure is increased by 30°, its supplement decreases by ____. 🔄",
      "options": { "A": "30°", "B": "60°", "C": "90°", "D": "120°" },
      "correct_answer": "A"
    },
    {
      "id": 97,
      "difficulty": "hard",
      "question": "The angle between the hands at 5:40 is ____. 🕔",
      "options": { "A": "60°", "B": "70°", "C": "80°", "D": "90°" },
      "correct_answer": "B"
    },
    {
      "id": 98,
      "difficulty": "hard",
      "question": "If two supplementary angles are in ratio 7:11, the smaller is ____. ⚖️",
      "options": { "A": "55°", "B": "70°", "C": "110°", "D": "125°" },
      "correct_answer": "B"
    },
    {
      "id": 99,
      "difficulty": "hard",
      "question": "The reflex angle corresponding to 30° is ____. 🔄",
      "options": { "A": "150°", "B": "210°", "C": "300°", "D": "330°" },
      "correct_answer": "D"
    },
    {
      "id": 100,
      "difficulty": "hard",
      "question": "If an angle is 5/4 of its complement, the angle is ____. 🔄",
      "options": { "A": "40°", "B": "50°", "C": "60°", "D": "70°" },
      "correct_answer": "B"
    }
  ]
}