B Set 66 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": "half-hour",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "add-time",
                "question": "67 minutes after 2:33 = ?",
                "answer": "3:40",
                "correctAnswer": "3:40",
                "difficulty": "expert"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 11:41 to 12:02?",
                "answer": 21,
                "correctAnswer": "21",
                "difficulty": "expert"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 3:29 to 4:09?",
                "answer": 40,
                "correctAnswer": "40",
                "difficulty": "expert"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "37 minutes before 7:23 = ?",
                "answer": "6:46",
                "correctAnswer": "6:46",
                "difficulty": "expert"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "add-time",
                "question": "52 minutes after 11:54 = ?",
                "answer": "12:46",
                "correctAnswer": "12:46",
                "difficulty": "expert"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:17 to 8:31?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "expert"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "add-time",
                "question": "18 minutes after 1:26 = ?",
                "answer": "1:44",
                "correctAnswer": "1:44",
                "difficulty": "expert"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "53 minutes before 5:45 = ?",
                "answer": "4:52",
                "correctAnswer": "4:52",
                "difficulty": "expert"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "add-time",
                "question": "9 minutes after 3:59 = ?",
                "answer": "4:08",
                "correctAnswer": "4:08",
                "difficulty": "expert"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 52 minutes]",
                "answer": "5:52",
                "correctAnswer": "5:52",
                "difficulty": "expert"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 1 minutes]",
                "answer": "5:01",
                "correctAnswer": "5:01",
                "difficulty": "expert"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 10, minute hand at 6 minutes]",
                "answer": "10:06",
                "correctAnswer": "10:06",
                "difficulty": "expert"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 3:23 to 4:00?",
                "answer": 37,
                "correctAnswer": "37",
                "difficulty": "expert"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 4:05 to 4:42?",
                "answer": 37,
                "correctAnswer": "37",
                "difficulty": "expert"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "15 minutes before 2:02 = ?",
                "answer": "1:47",
                "correctAnswer": "1:47",
                "difficulty": "expert"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 2 minutes]",
                "answer": "5:02",
                "correctAnswer": "5:02",
                "difficulty": "expert"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "add-time",
                "question": "57 minutes after 8:46 = ?",
                "answer": "9:43",
                "correctAnswer": "9:43",
                "difficulty": "expert"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 48 minutes]",
                "answer": "6:48",
                "correctAnswer": "6:48",
                "difficulty": "expert"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "16 minutes before 3:50 = ?",
                "answer": "3:34",
                "correctAnswer": "3:34",
                "difficulty": "expert"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "27 minutes before 12:44 = ?",
                "answer": "12:17",
                "correctAnswer": "12:17",
                "difficulty": "expert"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}