B Set 72 Unknown

This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.

{
    "contentData": {
        "operation": "clock-math",
        "subject": "clock-math",
        "difficulty": "expert",
        "config": {
            "difficulty": "expert",
            "clockMode": "hour",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "57 minutes before 12:09 = ?",
                "answer": "11:12",
                "correctAnswer": "11:12",
                "difficulty": "expert"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:06 to 8:47?",
                "answer": 41,
                "correctAnswer": "41",
                "difficulty": "expert"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "add-time",
                "question": "67 minutes after 9:46 = ?",
                "answer": "10:53",
                "correctAnswer": "10:53",
                "difficulty": "expert"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "11 minutes before 9:52 = ?",
                "answer": "9:41",
                "correctAnswer": "9:41",
                "difficulty": "expert"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "25 minutes before 8:33 = ?",
                "answer": "8:08",
                "correctAnswer": "8:08",
                "difficulty": "expert"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "add-time",
                "question": "80 minutes after 5:23 = ?",
                "answer": "6:43",
                "correctAnswer": "6:43",
                "difficulty": "expert"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 1, minute hand at 55 minutes]",
                "answer": "1:55",
                "correctAnswer": "1:55",
                "difficulty": "expert"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "36 minutes before 11:13 = ?",
                "answer": "10:37",
                "correctAnswer": "10:37",
                "difficulty": "expert"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 3:36 to 4:14?",
                "answer": 38,
                "correctAnswer": "38",
                "difficulty": "expert"
            },
            {
                "id": 10,
                "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": 11,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:39 to 8:25?",
                "answer": 46,
                "correctAnswer": "46",
                "difficulty": "expert"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "47 minutes before 2:55 = ?",
                "answer": "2:08",
                "correctAnswer": "2:08",
                "difficulty": "expert"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "34 minutes before 2:25 = ?",
                "answer": "1:51",
                "correctAnswer": "1:51",
                "difficulty": "expert"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "add-time",
                "question": "41 minutes after 5:40 = ?",
                "answer": "6:21",
                "correctAnswer": "6:21",
                "difficulty": "expert"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "50 minutes before 6:16 = ?",
                "answer": "5:26",
                "correctAnswer": "5:26",
                "difficulty": "expert"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "51 minutes before 10:41 = ?",
                "answer": "9:50",
                "correctAnswer": "9:50",
                "difficulty": "expert"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "add-time",
                "question": "29 minutes after 4:41 = ?",
                "answer": "5:10",
                "correctAnswer": "5:10",
                "difficulty": "expert"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 4, minute hand at 9 minutes]",
                "answer": "4:09",
                "correctAnswer": "4:09",
                "difficulty": "expert"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 6:01 to 7:39?",
                "answer": 98,
                "correctAnswer": "98",
                "difficulty": "expert"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "20 minutes before 8:27 = ?",
                "answer": "8:07",
                "correctAnswer": "8:07",
                "difficulty": "expert"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}