B Set 21 Unknown

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        "subject": "arithmetic",
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            {
                "id": 1,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam had 6 pencils. A friend gave Liam 1 more pencils. How many pencils does Liam have in all?",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "easy"
            },
            {
                "id": 2,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah put 8 apples in a basket and added 7 more. How many apples are in the basket in total?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "easy"
            },
            {
                "id": 3,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Sam has 4 bags with 7 books in each bag. How many books does Sam have in all?",
                "answer": 28,
                "correctAnswer": "28",
                "difficulty": "easy"
            },
            {
                "id": 4,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sam has 5 cards and gets 8 more. How many cards does Sam have now?",
                "answer": 13,
                "correctAnswer": "13",
                "difficulty": "easy"
            },
            {
                "id": 5,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Lisa had 7 cookies and sold 6 of them. How many cookies does Lisa have remaining?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "easy"
            },
            {
                "id": 6,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Jake bought 3 boxes. Each box has 2 stickers. How many stickers does Jake have in total?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "easy"
            },
            {
                "id": 7,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma has 5 cards and gets 7 more. How many cards does Emma have now?",
                "answer": 12,
                "correctAnswer": "12",
                "difficulty": "easy"
            },
            {
                "id": 8,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah put 5 books in a basket and added 4 more. How many books are in the basket in total?",
                "answer": 9,
                "correctAnswer": "9",
                "difficulty": "easy"
            },
            {
                "id": 9,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Emma bought 4 oranges but lost 3 of them. How many oranges does Emma have now?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "easy"
            },
            {
                "id": 10,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Emma had 6 marbles and gave away 1. How many marbles does Emma have left?",
                "answer": 5,
                "correctAnswer": "5",
                "difficulty": "easy"
            },
            {
                "id": 11,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma had 4 grapes. A friend gave Emma 2 more grapes. How many grapes does Emma have in all?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "easy"
            },
            {
                "id": 12,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma has 9 cards and gets 10 more. How many cards does Emma have now?",
                "answer": 19,
                "correctAnswer": "19",
                "difficulty": "easy"
            },
            {
                "id": 13,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Carlos bought 4 boxes. Each box has 9 pencils. How many pencils does Carlos have in total?",
                "answer": 36,
                "correctAnswer": "36",
                "difficulty": "easy"
            },
            {
                "id": 14,
                "type": "word-problems",
                "subType": "addition",
                "question": "Mia had 8 marbles. A friend gave Mia 6 more marbles. How many marbles does Mia have in all?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "easy"
            },
            {
                "id": 15,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sam put 5 stickers in a basket and added 2 more. How many stickers are in the basket in total?",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "easy"
            },
            {
                "id": 16,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Emma bought 4 boxes. Each box has 2 pencils. How many pencils does Emma have in total?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "easy"
            },
            {
                "id": 17,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Jake has 5 bags with 4 apples in each bag. How many apples does Jake have in all?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "easy"
            },
            {
                "id": 18,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam had 10 cookies and gave away 8. How many cookies does Liam have left?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "easy"
            },
            {
                "id": 19,
                "type": "word-problems",
                "subType": "addition",
                "question": "Jake had 10 marbles. A friend gave Jake 1 more marbles. How many marbles does Jake have in all?",
                "answer": 11,
                "correctAnswer": "11",
                "difficulty": "easy"
            },
            {
                "id": 20,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah put 5 stickers in a basket and added 1 more. How many stickers are in the basket in total?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "easy"
            }
        ],
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