{
  "title": "Subtraction - Word Problems",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "Riya had 6 apples. She ate 2. How many are left?",
      "options": {
        "A": "3",
        "B": "4",
        "C": "5",
        "D": "2"
      },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Aarav had 9 balloons. 3 flew away. How many remain?",
      "options": {
        "A": "6",
        "B": "5",
        "C": "7",
        "D": "8"
      },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "Meera had 7 chocolates. She gave 1. How many left?",
      "options": {
        "A": "5",
        "B": "6",
        "C": "7",
        "D": "4"
      },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "A jar has 10 cookies. 4 were eaten. How many left?",
      "options": {
        "A": "6",
        "B": "5",
        "C": "7",
        "D": "8"
      },
      "correct_answer": "A"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "There were 8 pencils. 3 broke. How many left?",
      "options": {
        "A": "4",
        "B": "5",
        "C": "6",
        "D": "3"
      },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Rahul had 5 toy cars. He lost 2. How many remain?",
      "options": {
        "A": "3",
        "B": "4",
        "C": "2",
        "D": "1"
      },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "Basket has 12 oranges. 5 used. How many left?",
      "options": {
        "A": "8",
        "B": "7",
        "C": "6",
        "D": "5"
      },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "There are 11 crayons. 4 broke. How many left?",
      "options": {
        "A": "7",
        "B": "8",
        "C": "6",
        "D": "9"
      },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "Arjun had 10 stickers. He gave 2. How many left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Plant had 14 leaves. 6 fell. How many left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "There were 13 candies. 4 eaten. How many left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "Box has 15 marbles. 7 lost. How many remain?",
      "options": {
        "A": "8",
        "B": "7",
        "C": "6",
        "D": "5"
      },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Class has 16 books. 8 taken. How many left?",
      "options": {
        "A": "8",
        "B": "9",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Rohan bought 9 toys. Gave 4. How many left?",
      "options": {
        "A": "5",
        "B": "6",
        "C": "7",
        "D": "4"
      },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "There were 7 ducks. 3 swam away. How many remain?",
      "options": {
        "A": "4",
        "B": "5",
        "C": "6",
        "D": "3"
      },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "A box has 6 balls. 1 was lost. How many left?",
      "options": {
        "A": "5",
        "B": "4",
        "C": "3",
        "D": "2"
      },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "There were 12 cupcakes. 3 eaten. How many left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Shelf has 10 books. 5 taken. How many remain?",
      "options": {
        "A": "5",
        "B": "6",
        "C": "4",
        "D": "3"
      },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Meena had 11 crayons. She gave 3. How many left?",
      "options": {
        "A": "8",
        "B": "7",
        "C": "6",
        "D": "9"
      },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "There are 18 flowers. 9 were picked. How many left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "Riya had 15 apples. She gave 7. How many are left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Aarav had 14 shells. He lost 5. How many remain?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "A box had 13 pencils. 6 were used. How many left?",
      "options": {
        "A": "8",
        "B": "6",
        "C": "7",
        "D": "5"
      },
      "correct_answer": "C"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Meera had 12 chocolates. She gave 5. How many left?",
      "options": {
        "A": "6",
        "B": "8",
        "C": "7",
        "D": "5"
      },
      "correct_answer": "C"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "There were 16 balloons. 8 burst. How many left?",
      "options": {
        "A": "8",
        "B": "9",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Shelf had 17 books. 9 were taken away. How many left?",
      "options": {
        "A": "7",
        "B": "8",
        "C": "6",
        "D": "5"
      },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "There were 18 cookies. 7 were eaten. How many remain?",
      "options": {
        "A": "12",
        "B": "11",
        "C": "10",
        "D": "9"
      },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Class had 19 crayons. 8 broke. How many left?",
      "options": {
        "A": "12",
        "B": "10",
        "C": "11",
        "D": "9"
      },
      "correct_answer": "C"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "There were 16 cupcakes. 7 were eaten. How many left?",
      "options": {
        "A": "7",
        "B": "9",
        "C": "8",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Plant had 15 flowers. 6 were picked. How many left?",
      "options": {
        "A": "7",
        "B": "9",
        "C": "8",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Box had 18 marbles. 9 rolled away. How many left?",
      "options": {
        "A": "9",
        "B": "10",
        "C": "11",
        "D": "8"
      },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Tree had 14 leaves. 5 fell. How many left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Basket had 17 stickers. 8 were given away. How many remain?",
      "options": {
        "A": "7",
        "B": "8",
        "C": "9",
        "D": "6"
      },
      "correct_answer": "C"
    },
    {
      "question_id": "34",
      "question": "Rohan bought 13 candies. He ate 4. How many left?",
      "options": {
        "A": "7",
        "B": "8",
        "C": "9",
        "D": "5"
      },
      "correct_answer": "C",
      "id": 34,
      "difficulty": "medium"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "There were 12 balls. 5 were lost. How many remain?",
      "options": {
        "A": "6",
        "B": "5",
        "C": "7",
        "D": "8"
      },
      "correct_answer": "C"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Shelf had 19 pencils. 6 used. How many left?",
      "options": {
        "A": "13",
        "B": "12",
        "C": "11",
        "D": "14"
      },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "Basket had 18 apples. 5 fell. How many remain?",
      "options": {
        "A": "13",
        "B": "12",
        "C": "11",
        "D": "14"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "There were 15 erasers. 7 were given away. How many left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "A box had 14 toys. 6 went missing. How many remain?",
      "options": {
        "A": "8",
        "B": "9",
        "C": "7",
        "D": "5"
      },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Shelf had 16 books. 9 were borrowed. How many left?",
      "options": {
        "A": "7",
        "B": "6",
        "C": "5",
        "D": "8"
      },
      "correct_answer": "A"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "Ria had 14 balloons. 6 flew away. How many are left?",
      "options": {
        "A": "7",
        "B": "8",
        "C": "6",
        "D": "9"
      },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "A box has 18 crayons. Meera used 9. How many remain?",
      "options": {
        "A": "10",
        "B": "8",
        "C": "9",
        "D": "7"
      },
      "correct_answer": "C"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Arjun had 20 chocolates. He gave 7. How many are left?",
      "options": {
        "A": "14",
        "B": "13",
        "C": "12",
        "D": "15"
      },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "A basket has 17 apples. 8 were eaten. How many remain?",
      "options": {
        "A": "6",
        "B": "10",
        "C": "8",
        "D": "9"
      },
      "correct_answer": "D"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "There were 16 birds on a tree. 5 flew away. How many left?",
      "options": {
        "A": "11",
        "B": "10",
        "C": "12",
        "D": "9"
      },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "A jar had 19 candies. 8 melted. How many left?",
      "options": {
        "A": "12",
        "B": "11",
        "C": "10",
        "D": "9"
      },
      "correct_answer": "B"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Meera collected 18 shells. She gave 6. How many remain?",
      "options": {
        "A": "12",
        "B": "10",
        "C": "11",
        "D": "13"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "A garden had 15 flowers. 7 dried up. How many remain?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Raj had 13 stickers. He lost 5. How many left?",
      "options": {
        "A": "7",
        "B": "9",
        "C": "8",
        "D": "6"
      },
      "correct_answer": "C"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "A box had 20 crayons. 9 broke. How many left?",
      "options": {
        "A": "10",
        "B": "12",
        "C": "11",
        "D": "9"
      },
      "correct_answer": "C"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Sia had 17 marbles. She lost 9. How many remain?",
      "options": {
        "A": "7",
        "B": "8",
        "C": "6",
        "D": "9"
      },
      "correct_answer": "B"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "A shop had 18 pens. It sold 10. How many left?",
      "options": {
        "A": "9",
        "B": "8",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "There were 19 ducks. 11 swam away. How many remain?",
      "options": {
        "A": "5",
        "B": "8",
        "C": "9",
        "D": "7"
      },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "A pack had 16 biscuits. Kids ate 9. How many left?",
      "options": {
        "A": "7",
        "B": "6",
        "C": "8",
        "D": "9"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "A farmer had 14 eggs. 5 cracked. How many remain?",
      "options": {
        "A": "10",
        "B": "9",
        "C": "8",
        "D": "7"
      },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "A jar had 13 sweets. 4 were eaten. How many remain?",
      "options": {
        "A": "8",
        "B": "9",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "15 children played outside. 6 went home. How many remain?",
      "options": {
        "A": "10",
        "B": "9",
        "C": "8",
        "D": "11"
      },
      "correct_answer": "B"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "A bottle had 17 candies. Rahul ate 8. How many remain?",
      "options": {
        "A": "8",
        "B": "9",
        "C": "7",
        "D": "6"
      },
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "A tree had 12 mangoes. 4 fell down. How many left?",
      "options": {
        "A": "9",
        "B": "7",
        "C": "8",
        "D": "6"
      },
      "correct_answer": "C"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "A bag had 18 toys. 7 were given away. How many left?",
      "options": {
        "A": "11",
        "B": "12",
        "C": "10",
        "D": "9"
      },
      "correct_answer": "A"
    }
  ]
}