B Set 13 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": "half-hour",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 10, minute hand at 15 minutes]",
                "answer": "10:15",
                "correctAnswer": "10:15",
                "difficulty": "hard"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "add-time",
                "question": "65 minutes after 3:29 = ?",
                "answer": "4:34",
                "correctAnswer": "4:34",
                "difficulty": "hard"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "43 minutes before 12:34 = ?",
                "answer": "11:51",
                "correctAnswer": "11:51",
                "difficulty": "hard"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "add-time",
                "question": "83 minutes after 11:15 = ?",
                "answer": "12:38",
                "correctAnswer": "12:38",
                "difficulty": "hard"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "add-time",
                "question": "74 minutes after 9:16 = ?",
                "answer": "10:30",
                "correctAnswer": "10:30",
                "difficulty": "hard"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 2:07 to 3:36?",
                "answer": 89,
                "correctAnswer": "89",
                "difficulty": "hard"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 12, minute hand at 58 minutes]",
                "answer": "12:58",
                "correctAnswer": "12:58",
                "difficulty": "hard"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "55 minutes before 6:37 = ?",
                "answer": "5:42",
                "correctAnswer": "5:42",
                "difficulty": "hard"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "add-time",
                "question": "78 minutes after 3:06 = ?",
                "answer": "4:24",
                "correctAnswer": "4:24",
                "difficulty": "hard"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 11, minute hand at 25 minutes]",
                "answer": "11:25",
                "correctAnswer": "11:25",
                "difficulty": "hard"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [3 o'clock]",
                "answer": "3:00",
                "correctAnswer": "3:00",
                "difficulty": "hard"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 6:24 to 7:56?",
                "answer": 92,
                "correctAnswer": "92",
                "difficulty": "hard"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "16 minutes before 6:05 = ?",
                "answer": "5:49",
                "correctAnswer": "5:49",
                "difficulty": "hard"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "10 minutes before 6:57 = ?",
                "answer": "6:47",
                "correctAnswer": "6:47",
                "difficulty": "hard"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:42 to 9:37?",
                "answer": 115,
                "correctAnswer": "115",
                "difficulty": "hard"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "add-time",
                "question": "32 minutes after 8:10 = ?",
                "answer": "8:42",
                "correctAnswer": "8:42",
                "difficulty": "hard"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 10:56 to 12:13?",
                "answer": 77,
                "correctAnswer": "77",
                "difficulty": "hard"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "25 minutes before 9:07 = ?",
                "answer": "8:42",
                "correctAnswer": "8:42",
                "difficulty": "hard"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 11:27 to 12:48?",
                "answer": 81,
                "correctAnswer": "81",
                "difficulty": "hard"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 3:42 to 4:31?",
                "answer": 49,
                "correctAnswer": "49",
                "difficulty": "hard"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}