B Set 15 Unknown

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                "question": "Carlos had 10 pencils. A friend gave Carlos 10 more pencils. How many pencils does Carlos have in all?",
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                "question": "Mia put 8 cards in a basket and added 8 more. How many cards are in the basket in total?",
                "answer": 16,
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                "question": "Lisa bought 4 boxes. Each box has 10 toys. How many toys does Lisa have in total?",
                "answer": 40,
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                "id": 4,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Liam has 5 bags with 6 toys in each bag. How many toys does Liam have in all?",
                "answer": 30,
                "correctAnswer": "30",
                "difficulty": "hard"
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                "id": 5,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Jake had 7 oranges and gave away 5. How many oranges does Jake have left?",
                "answer": 2,
                "correctAnswer": "2",
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                "id": 6,
                "type": "word-problems",
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                "id": 7,
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            {
                "id": 8,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam had 9 stickers and gave away 8. How many stickers does Liam have left?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "hard"
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                "id": 9,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Ava has 2 bags with 5 stickers in each bag. How many stickers does Ava have in all?",
                "answer": 10,
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                "id": 10,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Carlos bought 10 boxes. Each box has 10 toys. How many toys does Carlos have in total?",
                "answer": 100,
                "correctAnswer": "100",
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                "id": 11,
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                "subType": "multiplication",
                "question": "Jake has 7 bags with 7 stickers in each bag. How many stickers does Jake have in all?",
                "answer": 49,
                "correctAnswer": "49",
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                "id": 12,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Mia has 6 bags with 3 pencils in each bag. How many pencils does Mia have in all?",
                "answer": 18,
                "correctAnswer": "18",
                "difficulty": "hard"
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            {
                "id": 13,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam had 10 oranges and sold 7 of them. How many oranges does Liam have remaining?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "hard"
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                "id": 14,
                "type": "word-problems",
                "subType": "addition",
                "question": "Lisa had 7 stickers. A friend gave Lisa 8 more stickers. How many stickers does Lisa have in all?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "hard"
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                "id": 15,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam bought 10 cookies but lost 6 of them. How many cookies does Liam have now?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "hard"
            },
            {
                "id": 16,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Sofia had 9 oranges and gave away 7. How many oranges does Sofia have left?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "hard"
            },
            {
                "id": 17,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam put 10 books in a basket and added 7 more. How many books are in the basket in total?",
                "answer": 17,
                "correctAnswer": "17",
                "difficulty": "hard"
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            {
                "id": 18,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Sam bought 6 books but lost 5 of them. How many books does Sam have now?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "hard"
            },
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                "id": 19,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Noah bought 10 grapes but lost 7 of them. How many grapes does Noah have now?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "hard"
            },
            {
                "id": 20,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Jake has 4 bags with 6 toys in each bag. How many toys does Jake have in all?",
                "answer": 24,
                "correctAnswer": "24",
                "difficulty": "hard"
            }
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