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": "hard",
        "config": {
            "difficulty": "hard",
            "clockMode": "hour",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:35 to 9:09?",
                "answer": 94,
                "correctAnswer": "94",
                "difficulty": "hard"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "10 minutes before 6:43 = ?",
                "answer": "6:33",
                "correctAnswer": "6:33",
                "difficulty": "hard"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "20 minutes before 6:54 = ?",
                "answer": "6:34",
                "correctAnswer": "6:34",
                "difficulty": "hard"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "add-time",
                "question": "77 minutes after 3:21 = ?",
                "answer": "4:38",
                "correctAnswer": "4:38",
                "difficulty": "hard"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 43 minutes]",
                "answer": "5:43",
                "correctAnswer": "5:43",
                "difficulty": "hard"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 4:41 to 6:31?",
                "answer": 110,
                "correctAnswer": "110",
                "difficulty": "hard"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "add-time",
                "question": "49 minutes after 9:47 = ?",
                "answer": "10:36",
                "correctAnswer": "10:36",
                "difficulty": "hard"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 9:56 to 11:13?",
                "answer": 77,
                "correctAnswer": "77",
                "difficulty": "hard"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "add-time",
                "question": "23 minutes after 11:08 = ?",
                "answer": "11:31",
                "correctAnswer": "11:31",
                "difficulty": "hard"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "13 minutes before 10:11 = ?",
                "answer": "9:58",
                "correctAnswer": "9:58",
                "difficulty": "hard"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 4:24 to 5:36?",
                "answer": 72,
                "correctAnswer": "72",
                "difficulty": "hard"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 2:42 to 3:43?",
                "answer": 61,
                "correctAnswer": "61",
                "difficulty": "hard"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "31 minutes before 5:28 = ?",
                "answer": "4:57",
                "correctAnswer": "4:57",
                "difficulty": "hard"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 4:33 to 5:47?",
                "answer": 74,
                "correctAnswer": "74",
                "difficulty": "hard"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "add-time",
                "question": "28 minutes after 6:18 = ?",
                "answer": "6:46",
                "correctAnswer": "6:46",
                "difficulty": "hard"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 59 minutes]",
                "answer": "6:59",
                "correctAnswer": "6:59",
                "difficulty": "hard"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 1:17 to 2:37?",
                "answer": 80,
                "correctAnswer": "80",
                "difficulty": "hard"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "22 minutes before 11:30 = ?",
                "answer": "11:08",
                "correctAnswer": "11:08",
                "difficulty": "hard"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "add-time",
                "question": "55 minutes after 1:38 = ?",
                "answer": "2:33",
                "correctAnswer": "2:33",
                "difficulty": "hard"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "add-time",
                "question": "82 minutes after 1:01 = ?",
                "answer": "2:23",
                "correctAnswer": "2:23",
                "difficulty": "hard"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}