B Set 81 Unknown

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        "subject": "arithmetic",
        "difficulty": "hard",
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        "problems": [
            {
                "id": 1,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma put 5 books in a basket and added 10 more. How many books are in the basket in total?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "hard"
            },
            {
                "id": 2,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam had 7 books and gave away 5. How many books does Liam have left?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "hard"
            },
            {
                "id": 3,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Mia had 10 grapes and gave away 6. How many grapes does Mia have left?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "hard"
            },
            {
                "id": 4,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Emma bought 9 boxes. Each box has 10 marbles. How many marbles does Emma have in total?",
                "answer": 90,
                "correctAnswer": "90",
                "difficulty": "hard"
            },
            {
                "id": 5,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam has 10 cards and gets 5 more. How many cards does Liam have now?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "hard"
            },
            {
                "id": 6,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Ava bought 8 grapes but lost 7 of them. How many grapes does Ava have now?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "hard"
            },
            {
                "id": 7,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sam put 7 apples in a basket and added 10 more. How many apples are in the basket in total?",
                "answer": 17,
                "correctAnswer": "17",
                "difficulty": "hard"
            },
            {
                "id": 8,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Mia bought 7 marbles but lost 6 of them. How many marbles does Mia have now?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "hard"
            },
            {
                "id": 9,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Lisa bought 10 marbles but lost 7 of them. How many marbles does Lisa have now?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "hard"
            },
            {
                "id": 10,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Jake has 5 bags with 9 toys in each bag. How many toys does Jake have in all?",
                "answer": 45,
                "correctAnswer": "45",
                "difficulty": "hard"
            },
            {
                "id": 11,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Carlos bought 6 books but lost 5 of them. How many books does Carlos have now?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "hard"
            },
            {
                "id": 12,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Ava bought 4 boxes. Each box has 2 toys. How many toys does Ava have in total?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "hard"
            },
            {
                "id": 13,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam had 6 toys. A friend gave Liam 8 more toys. How many toys does Liam have in all?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "hard"
            },
            {
                "id": 14,
                "type": "word-problems",
                "subType": "addition",
                "question": "Mia put 6 pencils in a basket and added 7 more. How many pencils are in the basket in total?",
                "answer": 13,
                "correctAnswer": "13",
                "difficulty": "hard"
            },
            {
                "id": 15,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Ava has 10 bags with 7 oranges in each bag. How many oranges does Ava have in all?",
                "answer": 70,
                "correctAnswer": "70",
                "difficulty": "hard"
            },
            {
                "id": 16,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Sam has 10 bags with 4 marbles in each bag. How many marbles does Sam have in all?",
                "answer": 40,
                "correctAnswer": "40",
                "difficulty": "hard"
            },
            {
                "id": 17,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Lisa bought 6 grapes but lost 5 of them. How many grapes does Lisa have now?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "hard"
            },
            {
                "id": 18,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam had 6 stickers and gave away 5. How many stickers does Liam have left?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "hard"
            },
            {
                "id": 19,
                "type": "word-problems",
                "subType": "addition",
                "question": "Jake had 7 stickers. A friend gave Jake 10 more stickers. How many stickers does Jake have in all?",
                "answer": 17,
                "correctAnswer": "17",
                "difficulty": "hard"
            },
            {
                "id": 20,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Lisa had 8 apples and gave away 5. How many apples does Lisa have left?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "hard"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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