B Set 99 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": "medium",
        "config": {
            "difficulty": "medium",
            "clockMode": "hour",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "3 minutes before 4:53 = ?",
                "answer": "4:50",
                "correctAnswer": "4:50",
                "difficulty": "medium"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "50 minutes before 12:40 = ?",
                "answer": "11:50",
                "correctAnswer": "11:50",
                "difficulty": "medium"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "add-time",
                "question": "70 minutes after 9:01 = ?",
                "answer": "10:11",
                "correctAnswer": "10:11",
                "difficulty": "medium"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:07 to 8:22?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "medium"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 10, minute hand at 36 minutes]",
                "answer": "10:36",
                "correctAnswer": "10:36",
                "difficulty": "medium"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 4, minute hand at 20 minutes]",
                "answer": "4:20",
                "correctAnswer": "4:20",
                "difficulty": "medium"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 5:16 to 6:04?",
                "answer": 48,
                "correctAnswer": "48",
                "difficulty": "medium"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 11, minute hand at 30 minutes]",
                "answer": "11:30",
                "correctAnswer": "11:30",
                "difficulty": "medium"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "34 minutes before 3:19 = ?",
                "answer": "2:45",
                "correctAnswer": "2:45",
                "difficulty": "medium"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 2:38 to 4:31?",
                "answer": 113,
                "correctAnswer": "113",
                "difficulty": "medium"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:09 to 8:05?",
                "answer": 56,
                "correctAnswer": "56",
                "difficulty": "medium"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 3, minute hand at 43 minutes]",
                "answer": "3:43",
                "correctAnswer": "3:43",
                "difficulty": "medium"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "add-time",
                "question": "61 minutes after 8:56 = ?",
                "answer": "9:57",
                "correctAnswer": "9:57",
                "difficulty": "medium"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 11:55 to 1:21?",
                "answer": 86,
                "correctAnswer": "86",
                "difficulty": "medium"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 8, minute hand at 14 minutes]",
                "answer": "8:14",
                "correctAnswer": "8:14",
                "difficulty": "medium"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 3, minute hand at 37 minutes]",
                "answer": "3:37",
                "correctAnswer": "3:37",
                "difficulty": "medium"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:22 to 9:14?",
                "answer": 112,
                "correctAnswer": "112",
                "difficulty": "medium"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 1:31 to 1:46?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "medium"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 1, minute hand at 31 minutes]",
                "answer": "1:31",
                "correctAnswer": "1:31",
                "difficulty": "medium"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "24 minutes before 6:49 = ?",
                "answer": "6:25",
                "correctAnswer": "6:25",
                "difficulty": "medium"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}