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": "medium",
        "config": {
            "clockMode": "hour",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 35 minutes]",
                "answer": "5:35",
                "correctAnswer": "5:35",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:55 to 8:45?",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 9:15 to 10:30?",
                "answer": 75,
                "correctAnswer": "75",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 10:15 to 10:45?",
                "answer": 30,
                "correctAnswer": "30",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 1, minute hand at 30 minutes]",
                "answer": "1:30",
                "correctAnswer": "1:30",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 8, minute hand at 55 minutes]",
                "answer": "8:55",
                "correctAnswer": "8:55",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "add-time",
                "question": "5 minutes after 8:40 = ?",
                "answer": "8:45",
                "correctAnswer": "8:45",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "60 minutes before 10:45 = ?",
                "answer": "9:45",
                "correctAnswer": "9:45",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 4:25 to 5:15?",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 2:40 to 4:00?",
                "answer": 80,
                "correctAnswer": "80",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:00 to 9:40?",
                "answer": 100,
                "correctAnswer": "100",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "45 minutes before 2:40 = ?",
                "answer": "1:55",
                "correctAnswer": "1:55",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "add-time",
                "question": "5 minutes after 9:20 = ?",
                "answer": "9:25",
                "correctAnswer": "9:25",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 10, minute hand at 40 minutes]",
                "answer": "10:40",
                "correctAnswer": "10:40",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "35 minutes before 4:50 = ?",
                "answer": "4:15",
                "correctAnswer": "4:15",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "60 minutes before 11:25 = ?",
                "answer": "10:25",
                "correctAnswer": "10:25",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 1:55 to 3:00?",
                "answer": 65,
                "correctAnswer": "65",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 45 minutes]",
                "answer": "6:45",
                "correctAnswer": "6:45",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "45 minutes before 3:35 = ?",
                "answer": "2:50",
                "correctAnswer": "2:50",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "20 minutes before 8:10 = ?",
                "answer": "7:50",
                "correctAnswer": "7:50",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}