B Set 28 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": "1-minute",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "36 minutes before 9:26 = ?",
                "answer": "8:50",
                "correctAnswer": "8:50",
                "difficulty": "expert"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "add-time",
                "question": "40 minutes after 2:29 = ?",
                "answer": "3:09",
                "correctAnswer": "3:09",
                "difficulty": "expert"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 10, minute hand at 49 minutes]",
                "answer": "10:49",
                "correctAnswer": "10:49",
                "difficulty": "expert"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "31 minutes before 3:55 = ?",
                "answer": "3:24",
                "correctAnswer": "3:24",
                "difficulty": "expert"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 10:18 to 11:58?",
                "answer": 100,
                "correctAnswer": "100",
                "difficulty": "expert"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "58 minutes before 10:53 = ?",
                "answer": "9:55",
                "correctAnswer": "9:55",
                "difficulty": "expert"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "add-time",
                "question": "31 minutes after 8:12 = ?",
                "answer": "8:43",
                "correctAnswer": "8:43",
                "difficulty": "expert"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 46 minutes]",
                "answer": "6:46",
                "correctAnswer": "6:46",
                "difficulty": "expert"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 5:34 to 5:44?",
                "answer": 10,
                "correctAnswer": "10",
                "difficulty": "expert"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 9, minute hand at 14 minutes]",
                "answer": "9:14",
                "correctAnswer": "9:14",
                "difficulty": "expert"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 2 minutes]",
                "answer": "6:02",
                "correctAnswer": "6:02",
                "difficulty": "expert"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "add-time",
                "question": "24 minutes after 8:07 = ?",
                "answer": "8:31",
                "correctAnswer": "8:31",
                "difficulty": "expert"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "add-time",
                "question": "45 minutes after 5:05 = ?",
                "answer": "5:50",
                "correctAnswer": "5:50",
                "difficulty": "expert"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:32 to 9:35?",
                "answer": 63,
                "correctAnswer": "63",
                "difficulty": "expert"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 3:43 to 3:51?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "expert"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "31 minutes before 5:44 = ?",
                "answer": "5:13",
                "correctAnswer": "5:13",
                "difficulty": "expert"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 11:36 to 12:02?",
                "answer": 26,
                "correctAnswer": "26",
                "difficulty": "expert"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "1 minutes before 7:22 = ?",
                "answer": "7:21",
                "correctAnswer": "7:21",
                "difficulty": "expert"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 3:22 to 4:46?",
                "answer": 84,
                "correctAnswer": "84",
                "difficulty": "expert"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 1:23 to 1:37?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "expert"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}