B Set 90 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": "5-minutes",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "add-time",
                "question": "38 minutes after 9:02 = ?",
                "answer": "9:40",
                "correctAnswer": "9:40",
                "difficulty": "medium"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "add-time",
                "question": "32 minutes after 9:22 = ?",
                "answer": "9:54",
                "correctAnswer": "9:54",
                "difficulty": "medium"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 11, minute hand at 27 minutes]",
                "answer": "11:27",
                "correctAnswer": "11:27",
                "difficulty": "medium"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "11 minutes before 3:25 = ?",
                "answer": "3:14",
                "correctAnswer": "3:14",
                "difficulty": "medium"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "add-time",
                "question": "55 minutes after 11:05 = ?",
                "answer": "12:00",
                "correctAnswer": "12:00",
                "difficulty": "medium"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 23 minutes]",
                "answer": "5:23",
                "correctAnswer": "5:23",
                "difficulty": "medium"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 3, minute hand at 19 minutes]",
                "answer": "3:19",
                "correctAnswer": "3:19",
                "difficulty": "medium"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "add-time",
                "question": "5 minutes after 10:30 = ?",
                "answer": "10:35",
                "correctAnswer": "10:35",
                "difficulty": "medium"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "27 minutes before 11:10 = ?",
                "answer": "10:43",
                "correctAnswer": "10:43",
                "difficulty": "medium"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "add-time",
                "question": "35 minutes after 10:50 = ?",
                "answer": "11:25",
                "correctAnswer": "11:25",
                "difficulty": "medium"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "add-time",
                "question": "90 minutes after 1:21 = ?",
                "answer": "2:51",
                "correctAnswer": "2:51",
                "difficulty": "medium"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "50 minutes before 7:36 = ?",
                "answer": "6:46",
                "correctAnswer": "6:46",
                "difficulty": "medium"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 10:40 to 11:48?",
                "answer": 68,
                "correctAnswer": "68",
                "difficulty": "medium"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 24 minutes]",
                "answer": "5:24",
                "correctAnswer": "5:24",
                "difficulty": "medium"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "53 minutes before 10:31 = ?",
                "answer": "9:38",
                "correctAnswer": "9:38",
                "difficulty": "medium"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "add-time",
                "question": "75 minutes after 4:29 = ?",
                "answer": "5:44",
                "correctAnswer": "5:44",
                "difficulty": "medium"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "add-time",
                "question": "44 minutes after 10:36 = ?",
                "answer": "11:20",
                "correctAnswer": "11:20",
                "difficulty": "medium"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "add-time",
                "question": "15 minutes after 11:37 = ?",
                "answer": "11:52",
                "correctAnswer": "11:52",
                "difficulty": "medium"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 11:56 to 1:05?",
                "answer": 69,
                "correctAnswer": "69",
                "difficulty": "medium"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 12, minute hand at 9 minutes]",
                "answer": "12:09",
                "correctAnswer": "12:09",
                "difficulty": "medium"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}