B Set 18 Unknown

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        "subject": "arithmetic",
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            {
                "id": 1,
                "type": "word-problems",
                "subType": "addition",
                "question": "Carlos had 21 toys. A friend gave Carlos 21 more toys. How many toys does Carlos have in all?",
                "answer": 42,
                "correctAnswer": "42",
                "difficulty": "medium"
            },
            {
                "id": 2,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Carlos had 4 cookies and sold 3 of them. How many cookies does Carlos have remaining?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "medium"
            },
            {
                "id": 3,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Jake has 7 bags with 3 books in each bag. How many books does Jake have in all?",
                "answer": 21,
                "correctAnswer": "21",
                "difficulty": "medium"
            },
            {
                "id": 4,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Lisa bought 4 boxes. Each box has 2 cookies. How many cookies does Lisa have in total?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "medium"
            },
            {
                "id": 5,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Noah bought 42 cookies but lost 5 of them. How many cookies does Noah have now?",
                "answer": 37,
                "correctAnswer": "37",
                "difficulty": "medium"
            },
            {
                "id": 6,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Carlos bought 4 boxes. Each box has 2 marbles. How many marbles does Carlos have in total?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "medium"
            },
            {
                "id": 7,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam had 15 apples and gave away 7. How many apples does Liam have left?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "medium"
            },
            {
                "id": 8,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sofia put 16 oranges in a basket and added 49 more. How many oranges are in the basket in total?",
                "answer": 65,
                "correctAnswer": "65",
                "difficulty": "medium"
            },
            {
                "id": 9,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Mia has 8 bags with 5 pencils in each bag. How many pencils does Mia have in all?",
                "answer": 40,
                "correctAnswer": "40",
                "difficulty": "medium"
            },
            {
                "id": 10,
                "type": "word-problems",
                "subType": "addition",
                "question": "Mia put 49 books in a basket and added 47 more. How many books are in the basket in total?",
                "answer": 96,
                "correctAnswer": "96",
                "difficulty": "medium"
            },
            {
                "id": 11,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma had 3 cards. A friend gave Emma 44 more cards. How many cards does Emma have in all?",
                "answer": 47,
                "correctAnswer": "47",
                "difficulty": "medium"
            },
            {
                "id": 12,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Noah had 29 stickers and gave away 13. How many stickers does Noah have left?",
                "answer": 16,
                "correctAnswer": "16",
                "difficulty": "medium"
            },
            {
                "id": 13,
                "type": "word-problems",
                "subType": "addition",
                "question": "Jake put 28 cards in a basket and added 27 more. How many cards are in the basket in total?",
                "answer": 55,
                "correctAnswer": "55",
                "difficulty": "medium"
            },
            {
                "id": 14,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma has 17 toys and gets 33 more. How many toys does Emma have now?",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "medium"
            },
            {
                "id": 15,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Carlos has 10 bags with 4 stickers in each bag. How many stickers does Carlos have in all?",
                "answer": 40,
                "correctAnswer": "40",
                "difficulty": "medium"
            },
            {
                "id": 16,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Carlos bought 44 cookies but lost 17 of them. How many cookies does Carlos have now?",
                "answer": 27,
                "correctAnswer": "27",
                "difficulty": "medium"
            },
            {
                "id": 17,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Carlos has 6 bags with 5 stickers in each bag. How many stickers does Carlos have in all?",
                "answer": 30,
                "correctAnswer": "30",
                "difficulty": "medium"
            },
            {
                "id": 18,
                "type": "word-problems",
                "subType": "addition",
                "question": "Carlos put 17 pencils in a basket and added 33 more. How many pencils are in the basket in total?",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "medium"
            },
            {
                "id": 19,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Emma had 21 grapes and gave away 14. How many grapes does Emma have left?",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "medium"
            },
            {
                "id": 20,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sofia had 50 toys. A friend gave Sofia 13 more toys. How many toys does Sofia have in all?",
                "answer": 63,
                "correctAnswer": "63",
                "difficulty": "medium"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
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