B Set 13 Unknown

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