{
  "title": "Applications and Word Problems (Simple Equations) - Grade 7 CBSE",
  "total_questions": 150,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "If x + 5 = 12, what is x?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 2, "difficulty": "easy", "question": "If 2y = 18, what is y?", "options": {"A": "6", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 3, "difficulty": "easy", "question": "If z - 7 = 3, what is z?", "options": {"A": "4", "B": "10", "C": "11", "D": "12"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "If a/4 = 5, what is a?", "options": {"A": "9", "B": "16", "C": "20", "D": "25"}, "correct_answer": "C"},
    {"id": 5, "difficulty": "easy", "question": "If 3x + 2 = 14, what is x?", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "B"},
    {"id": 6, "difficulty": "easy", "question": "If 5y - 3 = 22, what is y?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "If 2x + 7 = 15, what is x?", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "If x/3 = 9, what is x?", "options": {"A": "12", "B": "18", "C": "24", "D": "27"}, "correct_answer": "D"},
    {"id": 9, "difficulty": "easy", "question": "If 4x - 5 = 11, what is x?", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "B"},
    {"id": 10, "difficulty": "easy", "question": "If 7 + y = 15, what is y?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "C"},
    {"id": 11, "difficulty": "easy", "question": "A number plus 8 equals 20. What is number?", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "Twice a number is 24. What is number?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 13, "difficulty": "easy", "question": "A number divided by 5 is 6. What is number?", "options": {"A": "25", "B": "30", "C": "35", "D": "40"}, "correct_answer": "B"},
    {"id": 14, "difficulty": "easy", "question": "If 3x = x + 10, what is x?", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "C"},
    {"id": 15, "difficulty": "easy", "question": "If 2y + 4 = 16, what is y?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "C"},
    {"id": 16, "difficulty": "easy", "question": "If x - 9 = 4, what is x?", "options": {"A": "11", "B": "12", "C": "13", "D": "14"}, "correct_answer": "C"},
    {"id": 17, "difficulty": "easy", "question": "If 5x = 35, what is x?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 18, "difficulty": "easy", "question": "If y/2 = 8, what is y?", "options": {"A": "12", "B": "14", "C": "16", "D": "18"}, "correct_answer": "C"},
    {"id": 19, "difficulty": "easy", "question": "If 4 + x = 19, what is x?", "options": {"A": "13", "B": "14", "C": "15", "D": "16"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "If 6x - 7 = 23, what is x?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    
    {"id": 21, "difficulty": "medium", "question": "The sum of two consecutive numbers is 25. What are numbers?", "options": {"A": "11, 12", "B": "12, 13", "C": "13, 14", "D": "14, 15"}, "correct_answer": "B"},
    {"id": 22, "difficulty": "medium", "question": "A number multiplied by 3 then added 5 gives 26. What is number?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "Father is 3 times as old as son. Sum of ages is 48. Son's age is?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "If 2(x + 3) = 16, what is x?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 25, "difficulty": "medium", "question": "Perimeter of rectangle is 30 cm. Length is 9 cm. Width is?", "options": {"A": "5 cm", "B": "6 cm", "C": "7 cm", "D": "8 cm"}, "correct_answer": "B"},
    {"id": 26, "difficulty": "medium", "question": "If 3y - 7 = 2y + 5, what is y?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 27, "difficulty": "medium", "question": "Sum of three consecutive even numbers is 54. Smallest is?", "options": {"A": "16", "B": "17", "C": "18", "D": "19"}, "correct_answer": "A"},
    {"id": 28, "difficulty": "medium", "question": "If 4(x - 2) = 20, what is x?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 29, "difficulty": "medium", "question": "A number divided by 4 plus 3 equals 10. What is number?", "options": {"A": "24", "B": "26", "C": "28", "D": "30"}, "correct_answer": "C"},
    {"id": 30, "difficulty": "medium", "question": "If 5x + 3 = 2x + 18, what is x?", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "C"},
    {"id": 31, "difficulty": "medium", "question": "Twice a number minus 5 equals 17. What is number?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "B"},
    {"id": 32, "difficulty": "medium", "question": "If 3(y + 4) = 30, what is y?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "B"},
    {"id": 33, "difficulty": "medium", "question": "Sum of two numbers is 45. One is 15 more than other. Smaller is?", "options": {"A": "10", "B": "15", "C": "20", "D": "25"}, "correct_answer": "B"},
    {"id": 34, "difficulty": "medium", "question": "If 2x/3 = 10, what is x?", "options": {"A": "12", "B": "13", "C": "14", "D": "15"}, "correct_answer": "D"},
    {"id": 35, "difficulty": "medium", "question": "A number when multiplied by 5 and subtracted by 3 gives 32. Number is?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
    {"id": 36, "difficulty": "medium", "question": "If 7x - 5 = 3x + 11, what is x?", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "B"},
    {"id": 37, "difficulty": "medium", "question": "Perimeter of square is 36 cm. Side is?", "options": {"A": "6 cm", "B": "7 cm", "C": "8 cm", "D": "9 cm"}, "correct_answer": "D"},
    {"id": 38, "difficulty": "medium", "question": "If 4y + 8 = 2y + 20, what is y?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "C"},
    {"id": 39, "difficulty": "medium", "question": "Three times a number plus 7 equals 34. Number is?", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "If 5(x - 3) = 25, what is x?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "C"},
    {"id": 41, "difficulty": "medium", "question": "Sum of three consecutive odd numbers is 57. Largest is?", "options": {"A": "17", "B": "19", "C": "21", "D": "23"}, "correct_answer": "C"},
    {"id": 42, "difficulty": "medium", "question": "If 3x/4 = 9, what is x?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 43, "difficulty": "medium", "question": "A number doubled then subtracted 8 gives 20. Number is?", "options": {"A": "12", "B": "13", "C": "14", "D": "15"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "medium", "question": "If 6y - 9 = 3y + 12, what is y?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 45, "difficulty": "medium", "question": "Rectangle area 54 cm², length 9 cm. Width is?", "options": {"A": "5 cm", "B": "6 cm", "C": "7 cm", "D": "8 cm"}, "correct_answer": "B"},
    {"id": 46, "difficulty": "medium", "question": "If 2(x + 5) = 24, what is x?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "medium", "question": "One number is 3 times another. Sum is 48. Smaller is?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "medium", "question": "If 5x/2 = 15, what is x?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "C"},
    {"id": 49, "difficulty": "medium", "question": "A number subtracted from 25 gives 7. What is number?", "options": {"A": "16", "B": "17", "C": "18", "D": "19"}, "correct_answer": "C"},
    {"id": 50, "difficulty": "medium", "question": "If 4x + 12 = 2x + 30, what is x?", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 51, "difficulty": "medium", "question": "Sum of two numbers is 60. Difference is 20. Larger is?", "options": {"A": "30", "B": "35", "C": "40", "D": "45"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "medium", "question": "If 3(x - 4) = 15, what is x?", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 53, "difficulty": "medium", "question": "Twice a number plus 10 equals 36. Number is?", "options": {"A": "11", "B": "12", "C": "13", "D": "14"}, "correct_answer": "C"},
    {"id": 54, "difficulty": "medium", "question": "If 7y - 14 = 3y + 10, what is y?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "medium", "question": "Perimeter of equilateral triangle is 45 cm. Side is?", "options": {"A": "12 cm", "B": "13 cm", "C": "14 cm", "D": "15 cm"}, "correct_answer": "D"},
    {"id": 56, "difficulty": "medium", "question": "If 2x/5 = 8, what is x?", "options": {"A": "18", "B": "19", "C": "20", "D": "21"}, "correct_answer": "C"},
    {"id": 57, "difficulty": "medium", "question": "A number divided by 6 then added 4 gives 10. Number is?", "options": {"A": "30", "B": "32", "C": "34", "D": "36"}, "correct_answer": "D"},
    {"id": 58, "difficulty": "medium", "question": "If 5x + 8 = 3x + 20, what is x?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "C"},
    {"id": 59, "difficulty": "medium", "question": "Three consecutive integers sum to 78. Middle is?", "options": {"A": "24", "B": "25", "C": "26", "D": "27"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "medium", "question": "If 4(y + 3) = 32, what is y?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 61, "difficulty": "medium", "question": "A number multiplied by 7 then subtracted 9 equals 40. Number is?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
    {"id": 62, "difficulty": "medium", "question": "If 6x - 15 = 3x + 12, what is x?", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 63, "difficulty": "medium", "question": "Sum of two numbers is 85. One is 25 more than other. Larger is?", "options": {"A": "30", "B": "45", "C": "55", "D": "60"}, "correct_answer": "C"},
    {"id": 64, "difficulty": "medium", "question": "If 3x/2 = 18, what is x?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 65, "difficulty": "medium", "question": "Five times a number minus 7 equals 38. Number is?", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 66, "difficulty": "medium", "question": "If 8y - 20 = 4y + 12, what is y?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "C"},
    {"id": 67, "difficulty": "medium", "question": "Rectangle perimeter 50 cm, width 8 cm. Length is?", "options": {"A": "15 cm", "B": "16 cm", "C": "17 cm", "D": "18 cm"}, "correct_answer": "C"},
    {"id": 68, "difficulty": "medium", "question": "If 5(x - 2) = 35, what is x?", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 69, "difficulty": "medium", "question": "Sum of three consecutive even numbers is 72. Smallest is?", "options": {"A": "20", "B": "21", "C": "22", "D": "23"}, "correct_answer": "C"},
    {"id": 70, "difficulty": "medium", "question": "If 4x/3 = 16, what is x?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 71, "difficulty": "medium", "question": "A number plus its double equals 36. Number is?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 72, "difficulty": "medium", "question": "If 9x - 18 = 5x + 14, what is x?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "C"},
    {"id": 73, "difficulty": "medium", "question": "Two numbers differ by 15. Sum is 65. Larger is?", "options": {"A": "30", "B": "35", "C": "40", "D": "45"}, "correct_answer": "C"},
    {"id": 74, "difficulty": "medium", "question": "If 6(x + 2) = 48, what is x?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "B"},
    {"id": 75, "difficulty": "medium", "question": "Eight times a number plus 6 equals 54. Number is?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "B"},
    {"id": 76, "difficulty": "medium", "question": "If 7y - 21 = 3y + 19, what is y?", "options": {"A": "8", "B": "9", "C": "10", "D": "11"}, "correct_answer": "C"},
    {"id": 77, "difficulty": "medium", "question": "Square area 81 cm². Perimeter is?", "options": {"A": "32 cm", "B": "34 cm", "C": "36 cm", "D": "38 cm"}, "correct_answer": "C"},
    {"id": 78, "difficulty": "medium", "question": "If 3(x + 5) = 36, what is x?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
    {"id": 79, "difficulty": "medium", "question": "Three numbers in ratio 2:3:4 sum to 54. Largest is?", "options": {"A": "16", "B": "18", "C": "20", "D": "24"}, "correct_answer": "D"},
    {"id": 80, "difficulty": "medium", "question": "If 5x/4 = 15, what is x?", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    
    {"id": 81, "difficulty": "hard", "question": "A two-digit number sum of digits is 9. Reversing digits gives number 27 less. Original number is?", "options": {"A": "54", "B": "63", "C": "72", "D": "81"}, "correct_answer": "B"},
    {"id": 82, "difficulty": "hard", "question": "Father is 4 times son's age. In 10 years, father will be 3 times son's age. Son's current age is?", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "B"},
    {"id": 83, "difficulty": "hard", "question": "If (2x + 5)/3 = 7, what is x?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "C"},
    {"id": 84, "difficulty": "hard", "question": "A fraction becomes 4/5 if 1 added to numerator, 1/2 if 1 subtracted from numerator. Fraction is?", "options": {"A": "3/5", "B": "4/7", "C": "5/8", "D": "7/10"}, "correct_answer": "D"},
    {"id": 85, "difficulty": "hard", "question": "Sum of digits of two-digit number is 7. Number plus 27 equals number with digits reversed. Number is?", "options": {"A": "25", "B": "34", "C": "43", "D": "52"}, "correct_answer": "A"},
    {"id": 86, "difficulty": "hard", "question": "If (3x - 2)/4 = (x + 6)/3, what is x?", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "C"},
    {"id": 87, "difficulty": "hard", "question": "A man is 3 times as old as son. After 15 years, he will be twice as old. Son's current age is?", "options": {"A": "10", "B": "12", "C": "15", "D": "18"}, "correct_answer": "C"},
    {"id": 88, "difficulty": "hard", "question": "If (5x + 3)/2 = (3x + 7)/4 + 5, what is x?", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "A"},
    {"id": 89, "difficulty": "hard", "question": "Two numbers ratio 5:7. Difference is 12. Sum is?", "options": {"A": "60", "B": "66", "C": "72", "D": "78"}, "correct_answer": "C"},
    {"id": 90, "difficulty": "hard", "question": "If (2x - 3)/5 + (x + 2)/3 = 4, what is x?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
    {"id": 91, "difficulty": "hard", "question": "A number divided by 5 gives remainder 3. When divided by 7 gives remainder 5. Smallest such number is?", "options": {"A": "23", "B": "33", "C": "43", "D": "53"}, "correct_answer": "B"},
    {"id": 92, "difficulty": "hard", "question": "If (x + 3)/2 - (x - 2)/3 = 4, what is x?", "options": {"A": "9", "B": "10", "C": "11", "D": "12"}, "correct_answer": "C"},
    {"id": 93, "difficulty": "hard", "question": "Sum of three numbers is 136. Second is twice first, third is 16 more than second. Largest is?", "options": {"A": "48", "B": "64", "C": "72", "D": "80"}, "correct_answer": "C"},
    {"id": 94, "difficulty": "hard", "question": "If (3x + 1)/4 - (2x - 3)/5 = 2, what is x?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 95, "difficulty": "hard", "question": "A two-digit number is 4 times sum of digits. If 27 added, digits reverse. Number is?", "options": {"A": "24", "B": "36", "C": "48", "D": "72"}, "correct_answer": "B"},
    {"id": 96, "difficulty": "hard", "question": "If (4x - 5)/3 + (2x + 1)/2 = 10, what is x?", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
    {"id": 97, "difficulty": "hard", "question": "Age of father 10 years ago was 3 times son's age. After 10 years, father will be twice son's age. Son's current age is?", "options": {"A": "15", "B": "20", "C": "25", "D": "30"}, "correct_answer": "B"},
    {"id": 98, "difficulty": "hard", "question": "If (5x - 2)/7 = (3x + 4)/5, what is x?", "options": {"A": "8", "B": "9", "C": "10", "D": "11"}, "correct_answer": "B"},
    {"id": 99, "difficulty": "hard", "question": "Three consecutive multiples of 5 sum to 180. Largest is?", "options": {"A": "55", "B": "60", "C": "65", "D": "70"}, "correct_answer": "C"},
    {"id": 100, "difficulty": "hard", "question": "If (2x + 7)/3 - (x - 4)/4 = 5, what is x?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"}
  ,
   {"id":101,"difficulty":"easy","question":"If x + 9 = 20, what is x?","options":{"A":"9","B":"10","C":"11","D":"12"},"correct_answer":"C"},
    {"id":102,"difficulty":"easy","question":"If 4y = 32, what is y?","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":103,"difficulty":"easy","question":"If z - 11 = 5, what is z?","options":{"A":"14","B":"15","C":"16","D":"17"},"correct_answer":"C"},
    {"id":104,"difficulty":"easy","question":"If a/6 = 7, what is a?","options":{"A":"36","B":"40","C":"42","D":"48"},"correct_answer":"C"},
    {"id":105,"difficulty":"easy","question":"If 5x + 5 = 30, what is x?","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"B"},
    {"id":106,"difficulty":"easy","question":"If 6y - 4 = 20, what is y?","options":{"A":"3","B":"4","C":"5","D":"6"},"correct_answer":"C"},
    {"id":107,"difficulty":"easy","question":"If 3x + 9 = 21, what is x?","options":{"A":"3","B":"4","C":"5","D":"6"},"correct_answer":"B"},
    {"id":108,"difficulty":"easy","question":"If x/5 = 6, what is x?","options":{"A":"20","B":"25","C":"30","D":"35"},"correct_answer":"C"},
    {"id":109,"difficulty":"easy","question":"If 7x - 14 = 21, what is x?","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"C"},
    {"id":110,"difficulty":"easy","question":"If y + 13 = 25, what is y?","options":{"A":"10","B":"11","C":"12","D":"13"},"correct_answer":"C"},
    {"id":111,"difficulty":"easy","question":"A number plus 15 is 40. What is the number?","options":{"A":"20","B":"25","C":"30","D":"35"},"correct_answer":"B"},
    {"id":112,"difficulty":"easy","question":"Three times a number is 27. What is the number?","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"},
    {"id":113,"difficulty":"easy","question":"A number divided by 8 gives 5. What is the number?","options":{"A":"30","B":"35","C":"40","D":"45"},"correct_answer":"C"},
    {"id":114,"difficulty":"easy","question":"If 4x = x + 18, what is x?","options":{"A":"5","B":"6","C":"7","D":"8"},"correct_answer":"C"},
    {"id":115,"difficulty":"easy","question":"If 2y + 10 = 26, what is y?","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":116,"difficulty":"easy","question":"If x - 14 = 9, what is x?","options":{"A":"21","B":"22","C":"23","D":"24"},"correct_answer":"C"},
    {"id":117,"difficulty":"easy","question":"If 9x = 72, what is x?","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":118,"difficulty":"easy","question":"If y/4 = 7, what is y?","options":{"A":"24","B":"26","C":"28","D":"30"},"correct_answer":"C"},
    {"id":119,"difficulty":"easy","question":"If 18 + x = 31, what is x?","options":{"A":"11","B":"12","C":"13","D":"14"},"correct_answer":"C"},
    {"id":120,"difficulty":"easy","question":"If 8x - 16 = 32, what is x?","options":{"A":"5","B":"6","C":"7","D":"8"},"correct_answer":"B"},

   
    {"id":121,"difficulty":"medium","question":"The sum of two consecutive odd numbers is 56. What is the smaller number?","options":{"A":"25","B":"27","C":"29","D":"31"},"correct_answer":"B"},
    {"id":122,"difficulty":"medium","question":"A number when multiplied by 4 and then reduced by 6 gives 26. What is the number?","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":123,"difficulty":"medium","question":"If 3(x + 5) = 45, what is x?","options":{"A":"8","B":"9","C":"10","D":"11"},"correct_answer":"B"},
    {"id":124,"difficulty":"medium","question":"The perimeter of a rectangle is 44 cm. Length is 12 cm. Find width.","options":{"A":"8 cm","B":"9 cm","C":"10 cm","D":"11 cm"},"correct_answer":"A"},
    {"id":125,"difficulty":"medium","question":"If 5y - 9 = 2y + 12, what is y?","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":126,"difficulty":"medium","question":"Sum of three consecutive integers is  ninety. What is the middle number?","options":{"A":"28","B":"29","C":"30","D":"31"},"correct_answer":"C"},
    {"id":127,"difficulty":"medium","question":"If 6(x - 2) = 36, what is x?","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"B"},
    {"id":128,"difficulty":"medium","question":"A number divided by 3, then increased by 7 gives 19. Find the number.","options":{"A":"30","B":"33","C":"36","D":"39"},"correct_answer":"B"},
    {"id":129,"difficulty":"medium","question":"If 7x + 5 = 3x + 45, what is x?","options":{"A":"8","B":"9","C":"10","D":"11"},"correct_answer":"C"},
    {"id":130,"difficulty":"medium","question":"Twice a number added to 14 equals 46. What is the number?","options":{"A":"14","B":"15","C":"16","D":"17"},"correct_answer":"C"},

    {"id":131,"difficulty":"hard","question":"The sum of digits of a two-digit number is 11. The number is 27 more than the number formed by reversing its digits. Find the number.","options":{"A":"56","B":"65","C":"74","D":"83"},"correct_answer":"B"},
    {"id":132,"difficulty":"hard","question":"Father is 5 times as old as son. After 15 years, father will be 3 times as old. Find son's present age.","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":133,"difficulty":"hard","question":"If (3x + 7)/4 = 10, what is x?","options":{"A":"10","B":"11","C":"12","D":"13"},"correct_answer":"C"},
    {"id":134,"difficulty":"hard","question":"A fraction becomes 3/4 if 2 is added to numerator and 4 to denominator. The fraction is?","options":{"A":"1/2","B":"2/3","C":"3/5","D":"4/7"},"correct_answer":"D"},
    {"id":135,"difficulty":"hard","question":"The difference of two numbers is 18. The larger is twice the smaller. Find the numbers.","options":{"A":"12, 24","B":"18, 36","C":"9, 27","D":"6, 24"},"correct_answer":"A"},
    {"id":136,"difficulty":"hard","question":"If (4x - 1)/5 = (2x + 7)/3, what is x?","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"C"},
    {"id":137,"difficulty":"hard","question":"A man is 4 times as old as his son. In 20 years, he will be twice as old. Find son's present age.","options":{"A":"10","B":"12","C":"14","D":"16"},"correct_answer":"B"},
    {"id":138,"difficulty":"hard","question":"If (6x + 5)/3 = (4x + 1)/2, what is x?","options":{"A":"2","B":"3","C":"4","D":"5"},"correct_answer":"C"},
    {"id":139,"difficulty":"hard","question":"Two numbers are in ratio 4:7. Their difference is 27. Find their sum.","options":{"A":"99","B":"108","C":"117","D":"126"},"correct_answer":"B"},
    {"id":140,"difficulty":"hard","question":"If (3x - 4)/2 + (x + 6)/4 = 10, what is x?","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":141,"difficulty":"hard","question":"A number gives remainder 2 when divided by 5 and remainder 4 when divided by 7. Find the smallest such number.","options":{"A":"9","B":"19","C":"24","D":"34"},"correct_answer":"B"},
    {"id":142,"difficulty":"hard","question":"If (x + 5)/3 - (x - 1)/4 = 3, what is x?","options":{"A":"11","B":"12","C":"13","D":"14"},"correct_answer":"C"},
    {"id":143,"difficulty":"hard","question":"The sum of three numbers is 120. Second is twice first and third is 20 more than second. Find the largest number.","options":{"A":"50","B":"60","C":"70","D":"80"},"correct_answer":"C"},
    {"id":144,"difficulty":"hard","question":"If (5x - 3)/4 - (2x + 1)/5 = 4, what is x?","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"},
    {"id":145,"difficulty":"hard","question":"A two-digit number is 6 times the sum of its digits. If digits are reversed, number decreases by 18. Find the number.","options":{"A":"36","B":"45","C":"54","D":"63"},"correct_answer":"B"},
    {"id":146,"difficulty":"hard","question":"If (7x - 5)/6 + (x + 1)/3 = 8, what is x?","options":{"A":"5","B":"6","C":"7","D":"8"},"correct_answer":"C"},
    {"id":147,"difficulty":"hard","question":"Ten years ago, a father was 4 times as old as his son. Ten years later, he will be twice as old. Find son's present age.","options":{"A":"10","B":"15","C":"20","D":"25"},"correct_answer":"B"},
    {"id":148,"difficulty":"hard","question":"If (4x + 3)/5 = (2x - 1)/3, what is x?","options":{"A":"3","B":"4","C":"5","D":"6"},"correct_answer":"C"},
    {"id":149,"difficulty":"hard","question":"Three consecutive multiples of 7 sum to 231. Find the largest.","options":{"A":"77","B":"84","C":"91","D":"98"},"correct_answer":"C"},
    {"id":150,"difficulty":"hard","question":"If (3x + 8)/4 - (x - 2)/5 = 6, what is x?","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"}
]
}