B Set 81 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": "hard",
        "config": {
            "difficulty": "hard",
            "clockMode": "hour",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "add-time",
                "question": "6 minutes after 7:17 = ?",
                "answer": "7:23",
                "correctAnswer": "7:23",
                "difficulty": "hard"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "35 minutes before 9:57 = ?",
                "answer": "9:22",
                "correctAnswer": "9:22",
                "difficulty": "hard"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 2:24 to 2:57?",
                "answer": 33,
                "correctAnswer": "33",
                "difficulty": "hard"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "5 minutes before 4:34 = ?",
                "answer": "4:29",
                "correctAnswer": "4:29",
                "difficulty": "hard"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 8, minute hand at 57 minutes]",
                "answer": "8:57",
                "correctAnswer": "8:57",
                "difficulty": "hard"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 56 minutes]",
                "answer": "5:56",
                "correctAnswer": "5:56",
                "difficulty": "hard"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "52 minutes before 8:42 = ?",
                "answer": "7:50",
                "correctAnswer": "7:50",
                "difficulty": "hard"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "add-time",
                "question": "44 minutes after 8:16 = ?",
                "answer": "9:00",
                "correctAnswer": "9:00",
                "difficulty": "hard"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "48 minutes before 7:22 = ?",
                "answer": "6:34",
                "correctAnswer": "6:34",
                "difficulty": "hard"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 10, minute hand at 18 minutes]",
                "answer": "10:18",
                "correctAnswer": "10:18",
                "difficulty": "hard"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "17 minutes before 11:53 = ?",
                "answer": "11:36",
                "correctAnswer": "11:36",
                "difficulty": "hard"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 5:58 to 7:57?",
                "answer": 119,
                "correctAnswer": "119",
                "difficulty": "hard"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 11, minute hand at 33 minutes]",
                "answer": "11:33",
                "correctAnswer": "11:33",
                "difficulty": "hard"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "add-time",
                "question": "67 minutes after 5:57 = ?",
                "answer": "7:04",
                "correctAnswer": "7:04",
                "difficulty": "hard"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "28 minutes before 2:00 = ?",
                "answer": "1:32",
                "correctAnswer": "1:32",
                "difficulty": "hard"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 3, minute hand at 39 minutes]",
                "answer": "3:39",
                "correctAnswer": "3:39",
                "difficulty": "hard"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 1:46 to 2:59?",
                "answer": 73,
                "correctAnswer": "73",
                "difficulty": "hard"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 10, minute hand at 42 minutes]",
                "answer": "10:42",
                "correctAnswer": "10:42",
                "difficulty": "hard"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 11, minute hand at 26 minutes]",
                "answer": "11:26",
                "correctAnswer": "11:26",
                "difficulty": "hard"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "23 minutes before 12:53 = ?",
                "answer": "12:30",
                "correctAnswer": "12:30",
                "difficulty": "hard"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}