{
  "title": "Addition of Rational Numbers - Grade 8 CBSE",
  "total_questions": 60,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "What is 1/4 + 1/4?", "options": {"A": "1/2", "B": "2/4", "C": "3/4", "D": "1"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "Find 2/5 + 1/5", "options": {"A": "1/5", "B": "3/5", "C": "4/5", "D": "1"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "What is 3/7 + 1/7?", "options": {"A": "3/7", "B": "4/7", "C": "5/7", "D": "6/7"}, "correct_answer": "C"},
    {"id": 4, "difficulty": "easy", "question": "Solve 1/3 + 1/6", "options": {"A": "1/2", "B": "2/3", "C": "1/6", "D": "5/6"}, "correct_answer": "D"},
    {"id": 5, "difficulty": "easy", "question": "Find 5/8 + 1/8", "options": {"A": "6/8", "B": "3/4", "C": "7/8", "D": "1"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "What is -1/4 + 1/2?", "options": {"A": "1/4", "B": "1/2", "C": "3/4", "D": "-1/2"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "Find -2/5 + 3/5", "options": {"A": "1/5", "B": "2/5", "C": "3/5", "D": "4/5"}, "correct_answer": "C"},
    {"id": 8, "difficulty": "easy", "question": "Add 1/2 + 1/3", "options": {"A": "5/6", "B": "2/3", "C": "3/5", "D": "7/6"}, "correct_answer": "D"},
    {"id": 9, "difficulty": "easy", "question": "Find 1 1/2 + 1/2", "options": {"A": "2", "B": "2 1/2", "C": "3/2", "D": "1"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "Riya walked 1/4 km and then 1/2 km. Total?", "options": {"A": "1/2", "B": "3/4", "C": "1", "D": "2"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "What is 3/10 + 2/5?", "options": {"A": "7/10", "B": "1/2", "C": "9/10", "D": "1"}, "correct_answer": "C"},
    {"id": 12, "difficulty": "easy", "question": "Find -1/6 + -1/6", "options": {"A": "-1/3", "B": "-1/6", "C": "-2/6", "D": "-1/12"}, "correct_answer": "A"},
    {"id": 13, "difficulty": "easy", "question": "Add 4/9 + 2/9", "options": {"A": "4/9", "B": "5/9", "C": "6/9", "D": "2/3"}, "correct_answer": "B"},
    {"id": 14, "difficulty": "easy", "question": "Find 7/12 + 1/12", "options": {"A": "2/3", "B": "3/4", "C": "8/12", "D": "9/12"}, "correct_answer": "C"},
    {"id": 15, "difficulty": "easy", "question": "Solve 1/8 + 3/4", "options": {"A": "7/8", "B": "1", "C": "3/8", "D": "5/8"}, "correct_answer": "D"},
    {"id": 16, "difficulty": "easy", "question": "Add -3/7 + 5/7", "options": {"A": "2/7", "B": "1/7", "C": "-2/7", "D": "3/7"}, "correct_answer": "A"},
    {"id": 17, "difficulty": "easy", "question": "What is 2/3 + 2/9?", "options": {"A": "4/9", "B": "8/9", "C": "10/9", "D": "2/3"}, "correct_answer": "B"},
    {"id": 18, "difficulty": "easy", "question": "Add 1/5 + 2/3", "options": {"A": "7/15", "B": "11/15", "C": "13/15", "D": "1"}, "correct_answer": "C"},
    {"id": 19, "difficulty": "easy", "question": "Find 2/7 + 4/7", "options": {"A": "4/7", "B": "5/7", "C": "6/7", "D": "1"}, "correct_answer": "D"},
    {"id": 20, "difficulty": "easy", "question": "Add 1 2/3 + 1/3", "options": {"A": "2", "B": "2 1/3", "C": "1 2/3", "D": "1"}, "correct_answer": "A"},

    {"id": 21, "difficulty": "medium", "question": "Find -3/4 + 5/6", "options": {"A": "1/12", "B": "7/12", "C": "2/3", "D": "1/2"}, "correct_answer": "B"},
    {"id": 22, "difficulty": "medium", "question": "Add 7/10 + 3/4", "options": {"A": "29/20", "B": "41/40", "C": "13/20", "D": "19/20"}, "correct_answer": "C"},
    {"id": 23, "difficulty": "medium", "question": "Find 11/12 + 5/18", "options": {"A": "37/36", "B": "41/36", "C": "23/36", "D": "7/6"}, "correct_answer": "D"},
    {"id": 24, "difficulty": "medium", "question": "Solve -2/9 + -4/15", "options": {"A": "-14/45", "B": "-22/45", "C": "-4/9", "D": "-2/3"}, "correct_answer": "A"},
    {"id": 25, "difficulty": "medium", "question": "What is 5/6 + 7/9?", "options": {"A": "17/18", "B": "13/18", "C": "19/18", "D": "5/9"}, "correct_answer": "B"},
    {"id": 26, "difficulty": "medium", "question": "Find 3/5 + 11/20", "options": {"A": "13/20", "B": "23/20", "C": "7/20", "D": "9/20"}, "correct_answer": "C"},
    {"id": 27, "difficulty": "medium", "question": "Solve -7/8 + 1/3", "options": {"A": "-13/24", "B": "-5/24", "C": "-7/24", "D": "-17/24"}, "correct_answer": "D"},
    {"id": 28, "difficulty": "medium", "question": "Find 2/3 + 4/15", "options": {"A": "6/15", "B": "14/15", "C": "12/15", "D": "10/15"}, "correct_answer": "B"},
    {"id": 29, "difficulty": "medium", "question": "Add 4/9 + 2/3", "options": {"A": "10/9", "B": "8/9", "C": "6/9", "D": "12/9"}, "correct_answer": "C"},
    {"id": 30, "difficulty": "medium", "question": "Find -5/6 + -1/4", "options": {"A": "-13/12", "B": "-11/12", "C": "-7/12", "D": "-3/12"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "Add 1/2 + 3/7", "options": {"A": "11/14", "B": "13/14", "C": "5/7", "D": "17/14"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "Find 9/10 + 4/15", "options": {"A": "41/30", "B": "14/30", "C": "77/30", "D": "13/30"}, "correct_answer": "A"},
    {"id": 33, "difficulty": "medium", "question": "Add -3/4 + -1/3", "options": {"A": "-7/12", "B": "-13/12", "C": "-1", "D": "-5/12"}, "correct_answer": "B"},
    {"id": 34, "difficulty": "medium", "question": "Find 2 1/2 + 1 3/4", "options": {"A": "3 1/2", "B": "4 1/4", "C": "4 3/4", "D": "2 3/4"}, "correct_answer": "C"},
    {"id": 35, "difficulty": "medium", "question": "Solve 7/12 + 5/18", "options": {"A": "31/36", "B": "41/36", "C": "46/36", "D": "19/36"}, "correct_answer": "D"},
    {"id": 36, "difficulty": "medium", "question": "Find 3/7 + 5/14", "options": {"A": "11/14", "B": "13/14", "C": "17/14", "D": "19/14"}, "correct_answer": "A"},
    {"id": 37, "difficulty": "medium", "question": "Add -11/15 + 2/5", "options": {"A": "-1/3", "B": "-5/15", "C": "-7/15", "D": "-2/3"}, "correct_answer": "C"},
    {"id": 38, "difficulty": "medium", "question": "Find 1 1/2 + 2/3", "options": {"A": "2 1/6", "B": "2 3/6", "C": "1 5/6", "D": "2"}, "correct_answer": "A"},
    {"id": 39, "difficulty": "medium", "question": "Solve 4/5 + 7/10", "options": {"A": "15/10", "B": "13/10", "C": "12/10", "D": "17/10"}, "correct_answer": "B"},
    {"id": 40, "difficulty": "medium", "question": "Add 3/4 + -2/9", "options": {"A": "19/36", "B": "13/36", "C": "10/36", "D": "5/36"}, "correct_answer": "C"},

    {"id": 41, "difficulty": "hard", "question": "Solve -5/12 + 7/18", "options": {"A": "13/36", "B": "11/36", "C": "17/36", "D": "19/36"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "hard", "question": "Find 13/20 + -7/15", "options": {"A": "11/60", "B": "5/60", "C": "7/60", "D": "1/60"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "hard", "question": "Add 5/6 + 11/14", "options": {"A": "43/42", "B": "41/42", "C": "39/42", "D": "47/42"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "hard", "question": "Solve -9/10 + -7/12", "options": {"A": "-53/60", "B": "-47/60", "C": "-59/60", "D": "-61/60"}, "correct_answer": "D"},
    {"id": 45, "difficulty": "hard", "question": "Find 4/9 + 17/18", "options": {"A": "25/18", "B": "21/18", "C": "19/18", "D": "29/18"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "hard", "question": "Solve 3/5 + -11/12", "options": {"A": "-13/60", "B": "-17/60", "C": "-7/60", "D": "-1/60"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "hard", "question": "Add 8/15 + -7/18", "options": {"A": "1/90", "B": "11/90", "C": "7/90", "D": "5/90"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "hard", "question": "Find 2 3/4 + -1 2/3", "options": {"A": "1 1/12", "B": "1 5/12", "C": "1 7/12", "D": "1 11/12"}, "correct_answer": "D"},
    {"id": 49, "difficulty": "hard", "question": "Add -13/14 + 5/7", "options": {"A": "-1/14", "B": "-3/14", "C": "1/14", "D": "3/14"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "hard", "question": "Find 11/30 + 7/45", "options": {"A": "7/18", "B": "17/30", "C": "23/30", "D": "19/30"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "hard", "question": "Solve -4/9 + -5/12", "options": {"A": "-31/36", "B": "-23/36", "C": "-29/36", "D": "-17/36"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "hard", "question": "Find 5/8 + 13/24", "options": {"A": "29/24", "B": "23/24", "C": "19/24", "D": "17/24"}, "correct_answer": "B"},
    {"id": 53, "difficulty": "hard", "question": "Solve 17/18 + -11/12", "options": {"A": "13/36", "B": "7/36", "C": "5/36", "D": "1/36"}, "correct_answer": "D"},
    {"id": 54, "difficulty": "hard", "question": "Find 3/7 + 8/21", "options": {"A": "17/21", "B": "12/21", "C": "11/21", "D": "15/21"}, "correct_answer": "A"},
    {"id": 55, "difficulty": "hard", "question": "Add 1 2/3 + -4/9", "options": {"A": "1 1/9", "B": "1 2/9", "C": "1 4/9", "D": "1 5/9"}, "correct_answer": "B"},
    {"id": 56, "difficulty": "hard", "question": "Solve -7/10 + 9/20", "options": {"A": "-1/20", "B": "-5/20", "C": "-3/20", "D": "-7/20"}, "correct_answer": "C"},
    {"id": 57, "difficulty": "hard", "question": "Find 13/15 + 7/18", "options": {"A": "77/90", "B": "89/90", "C": "97/90", "D": "101/90"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "hard", "question": "Add 5/11 + -3/22", "options": {"A": "7/22", "B": "5/22", "C": "9/22", "D": "11/22"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "hard", "question": "Find -8/9 + 13/18", "options": {"A": "1/18", "B": "-1/18", "C": "2/18", "D": "4/18"}, "correct_answer": "A"},
    {"id": 60, "difficulty": "hard", "question": "Solve 2 5/6 + -7/9", "options": {"A": "1 17/18", "B": "1 11/18", "C": "1 13/18", "D": "1 5/18"}, "correct_answer": "D"}
  ]
}