B Set 40 Unknown

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                "question": "Ava had 10 oranges. A friend gave Ava 10 more oranges. How many oranges does Ava have in all?",
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                "correctAnswer": "20",
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                "id": 2,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Ava had 11 cookies and sold 10 of them. How many cookies does Ava have remaining?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "expert"
            },
            {
                "id": 3,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Carlos bought 5 boxes. Each box has 6 apples. How many apples does Carlos have in total?",
                "answer": 30,
                "correctAnswer": "30",
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            },
            {
                "id": 4,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam has 10 grapes and gets 10 more. How many grapes does Liam have now?",
                "answer": 20,
                "correctAnswer": "20",
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            },
            {
                "id": 5,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah put 10 toys in a basket and added 10 more. How many toys are in the basket in total?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "expert"
            },
            {
                "id": 6,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam had 11 cards and sold 10 of them. How many cards does Liam have remaining?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "expert"
            },
            {
                "id": 7,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah had 10 cards. A friend gave Noah 10 more cards. How many cards does Noah have in all?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "expert"
            },
            {
                "id": 8,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Carlos had 11 pencils and sold 10 of them. How many pencils does Carlos have remaining?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "expert"
            },
            {
                "id": 10,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma put 10 stickers in a basket and added 10 more. How many stickers are in the basket in total?",
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                "correctAnswer": "20",
                "difficulty": "expert"
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                "id": 11,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Mia had 11 oranges and gave away 10. How many oranges does Mia have left?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "expert"
            },
            {
                "id": 12,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Carlos bought 11 apples but lost 10 of them. How many apples does Carlos have now?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "expert"
            },
            {
                "id": 13,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah put 10 stickers in a basket and added 10 more. How many stickers are in the basket in total?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "expert"
            },
            {
                "id": 14,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam put 10 marbles in a basket and added 10 more. How many marbles are in the basket in total?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "expert"
            },
            {
                "id": 15,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Emma bought 6 boxes. Each box has 9 oranges. How many oranges does Emma have in total?",
                "answer": 54,
                "correctAnswer": "54",
                "difficulty": "expert"
            },
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                "id": 16,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Noah had 11 grapes and gave away 10. How many grapes does Noah have left?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "expert"
            },
            {
                "id": 18,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Emma bought 7 boxes. Each box has 2 books. How many books does Emma have in total?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "expert"
            },
            {
                "id": 19,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Lisa had 11 marbles and gave away 10. How many marbles does Lisa have left?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "expert"
            },
            {
                "id": 20,
                "type": "word-problems",
                "subType": "addition",
                "question": "Ava put 10 cookies in a basket and added 10 more. How many cookies are in the basket in total?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "expert"
            }
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