B Set 12 Unknown

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        "operation": "clock-math",
        "subject": "clock-math",
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            "clockMode": "hour",
            "maxNumber": 10
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        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "add-time",
                "question": "72 minutes after 8:35 = ?",
                "answer": "9:47",
                "correctAnswer": "9:47",
                "difficulty": "expert"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 11:42 to 12:48?",
                "answer": 66,
                "correctAnswer": "66",
                "difficulty": "expert"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:02 to 7:46?",
                "answer": 44,
                "correctAnswer": "44",
                "difficulty": "expert"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "40 minutes before 5:10 = ?",
                "answer": "4:30",
                "correctAnswer": "4:30",
                "difficulty": "expert"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "add-time",
                "question": "37 minutes after 6:36 = ?",
                "answer": "7:13",
                "correctAnswer": "7:13",
                "difficulty": "expert"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "56 minutes before 11:45 = ?",
                "answer": "10:49",
                "correctAnswer": "10:49",
                "difficulty": "expert"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 6:11 to 6:57?",
                "answer": 46,
                "correctAnswer": "46",
                "difficulty": "expert"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:36 to 8:46?",
                "answer": 70,
                "correctAnswer": "70",
                "difficulty": "expert"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "56 minutes before 9:17 = ?",
                "answer": "8:21",
                "correctAnswer": "8:21",
                "difficulty": "expert"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "add-time",
                "question": "82 minutes after 5:38 = ?",
                "answer": "7:00",
                "correctAnswer": "7:00",
                "difficulty": "expert"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "55 minutes before 8:39 = ?",
                "answer": "7:44",
                "correctAnswer": "7:44",
                "difficulty": "expert"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "6 minutes before 9:17 = ?",
                "answer": "9:11",
                "correctAnswer": "9:11",
                "difficulty": "expert"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "add-time",
                "question": "13 minutes after 8:50 = ?",
                "answer": "9:03",
                "correctAnswer": "9:03",
                "difficulty": "expert"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 28 minutes]",
                "answer": "6:28",
                "correctAnswer": "6:28",
                "difficulty": "expert"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 3, minute hand at 41 minutes]",
                "answer": "3:41",
                "correctAnswer": "3:41",
                "difficulty": "expert"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 7, minute hand at 5 minutes]",
                "answer": "7:05",
                "correctAnswer": "7:05",
                "difficulty": "expert"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 5:59 to 6:03?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "expert"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 12, minute hand at 54 minutes]",
                "answer": "12:54",
                "correctAnswer": "12:54",
                "difficulty": "expert"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 15 minutes]",
                "answer": "6:15",
                "correctAnswer": "6:15",
                "difficulty": "expert"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 2:42 to 2:50?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "expert"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
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    "outputTargets": {
        "screen": true,
        "print": true,
        "pdf": true,
        "answerKey": true
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    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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