B Set 77 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": "elapsed-time",
                "question": "How many minutes from 1:20 to 2:50?",
                "answer": 90,
                "correctAnswer": "90",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 10:25 to 11:05?",
                "answer": 40,
                "correctAnswer": "40",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "45 minutes before 9:50 = ?",
                "answer": "9:05",
                "correctAnswer": "9:05",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "30 minutes before 3:45 = ?",
                "answer": "3:15",
                "correctAnswer": "3:15",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 8, minute hand at 50 minutes]",
                "answer": "8:50",
                "correctAnswer": "8:50",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:20 to 7:30?",
                "answer": 10,
                "correctAnswer": "10",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:45 to 9:05?",
                "answer": 80,
                "correctAnswer": "80",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 6:10 to 7:00?",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 5:55 to 6:45?",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "35 minutes before 6:25 = ?",
                "answer": "5:50",
                "correctAnswer": "5:50",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "50 minutes before 11:05 = ?",
                "answer": "10:15",
                "correctAnswer": "10:15",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 6:55 to 7:50?",
                "answer": 55,
                "correctAnswer": "55",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 5:30 to 6:40?",
                "answer": 70,
                "correctAnswer": "70",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 5:30 to 7:30?",
                "answer": 120,
                "correctAnswer": "120",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:00 to 7:10?",
                "answer": 10,
                "correctAnswer": "10",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 30 minutes]",
                "answer": "6:30",
                "correctAnswer": "6:30",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "add-time",
                "question": "50 minutes after 1:00 = ?",
                "answer": "1:50",
                "correctAnswer": "1:50",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:55 to 10:50?",
                "answer": 115,
                "correctAnswer": "115",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "45 minutes before 12:00 = ?",
                "answer": "11:15",
                "correctAnswer": "11:15",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 4, minute hand at 15 minutes]",
                "answer": "4:15",
                "correctAnswer": "4:15",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}