B Set 18 Unknown

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        "operation": "clock-math",
        "subject": "clock-math",
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        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "add-time",
                "question": "70 minutes after 8:25 = ?",
                "answer": "9:35",
                "correctAnswer": "9:35",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "add-time",
                "question": "60 minutes after 3:10 = ?",
                "answer": "4:10",
                "correctAnswer": "4:10",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 3, minute hand at 10 minutes]",
                "answer": "3:10",
                "correctAnswer": "3:10",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "40 minutes before 6:15 = ?",
                "answer": "5:35",
                "correctAnswer": "5:35",
                "difficulty": "normal"
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            {
                "id": 5,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "50 minutes before 10:35 = ?",
                "answer": "9:45",
                "correctAnswer": "9:45",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "add-time",
                "question": "35 minutes after 5:45 = ?",
                "answer": "6:20",
                "correctAnswer": "6:20",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "add-time",
                "question": "5 minutes after 10:30 = ?",
                "answer": "10:35",
                "correctAnswer": "10:35",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "add-time",
                "question": "75 minutes after 1:20 = ?",
                "answer": "2:35",
                "correctAnswer": "2:35",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "add-time",
                "question": "20 minutes after 1:45 = ?",
                "answer": "2:05",
                "correctAnswer": "2:05",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "add-time",
                "question": "75 minutes after 2:10 = ?",
                "answer": "3:25",
                "correctAnswer": "3:25",
                "difficulty": "normal"
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            {
                "id": 11,
                "type": "clock-math",
                "subType": "add-time",
                "question": "5 minutes after 11:55 = ?",
                "answer": "12:00",
                "correctAnswer": "12:00",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [3 o'clock]",
                "answer": "3:00",
                "correctAnswer": "3:00",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 9:20 to 9:50?",
                "answer": 30,
                "correctAnswer": "30",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 4, minute hand at 35 minutes]",
                "answer": "4:35",
                "correctAnswer": "4:35",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "5 minutes before 6:05 = ?",
                "answer": "6:00",
                "correctAnswer": "6:00",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "add-time",
                "question": "5 minutes after 9:30 = ?",
                "answer": "9:35",
                "correctAnswer": "9:35",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 55 minutes]",
                "answer": "5:55",
                "correctAnswer": "5:55",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "55 minutes before 2:50 = ?",
                "answer": "1:55",
                "correctAnswer": "1:55",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "45 minutes before 7:45 = ?",
                "answer": "7:00",
                "correctAnswer": "7:00",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "add-time",
                "question": "80 minutes after 2:05 = ?",
                "answer": "3:25",
                "correctAnswer": "3:25",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
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        "answerKey": true
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    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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