medium Set 35 Form Exercise

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    "problems": [
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            "id": 1,
            "type": "clock-math",
            "subType": "add-time",
            "question": "25 minutes after 10:35 = ?",
            "answer": "11:00",
            "correctAnswer": "11:00",
            "difficulty": "normal"
        },
        {
            "id": 2,
            "type": "clock-math",
            "subType": "elapsed-time",
            "question": "How many minutes from 10:05 to 10:15?",
            "answer": 10,
            "correctAnswer": "10",
            "difficulty": "normal"
        },
        {
            "id": 3,
            "type": "clock-math",
            "subType": "elapsed-time",
            "question": "How many minutes from 8:40 to 10:30?",
            "answer": 110,
            "correctAnswer": "110",
            "difficulty": "normal"
        },
        {
            "id": 4,
            "type": "clock-math",
            "subType": "read-time",
            "question": "What time is shown on the clock? [hour hand near 9, minute hand at 35 minutes]",
            "answer": "9:35",
            "correctAnswer": "9:35",
            "difficulty": "normal"
        },
        {
            "id": 5,
            "type": "clock-math",
            "subType": "elapsed-time",
            "question": "How many minutes from 5:00 to 5:30?",
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            "correctAnswer": "30",
            "difficulty": "normal"
        },
        {
            "id": 6,
            "type": "clock-math",
            "subType": "subtract-time",
            "question": "10 minutes before 3:35 = ?",
            "answer": "3:25",
            "correctAnswer": "3:25",
            "difficulty": "normal"
        },
        {
            "id": 7,
            "type": "clock-math",
            "subType": "elapsed-time",
            "question": "How many minutes from 9:35 to 10:50?",
            "answer": 75,
            "correctAnswer": "75",
            "difficulty": "normal"
        },
        {
            "id": 8,
            "type": "clock-math",
            "subType": "subtract-time",
            "question": "60 minutes before 12:45 = ?",
            "answer": "11:45",
            "correctAnswer": "11:45",
            "difficulty": "normal"
        },
        {
            "id": 9,
            "type": "clock-math",
            "subType": "elapsed-time",
            "question": "How many minutes from 5:55 to 7:00?",
            "answer": 65,
            "correctAnswer": "65",
            "difficulty": "normal"
        },
        {
            "id": 10,
            "type": "clock-math",
            "subType": "elapsed-time",
            "question": "How many minutes from 5:40 to 7:25?",
            "answer": 105,
            "correctAnswer": "105",
            "difficulty": "normal"
        },
        {
            "id": 11,
            "type": "clock-math",
            "subType": "elapsed-time",
            "question": "How many minutes from 7:05 to 8:35?",
            "answer": 90,
            "correctAnswer": "90",
            "difficulty": "normal"
        },
        {
            "id": 12,
            "type": "clock-math",
            "subType": "read-time",
            "question": "What time is shown on the clock? [hour hand near 10, minute hand at 45 minutes]",
            "answer": "10:45",
            "correctAnswer": "10:45",
            "difficulty": "normal"
        },
        {
            "id": 13,
            "type": "clock-math",
            "subType": "read-time",
            "question": "What time is shown on the clock? [hour hand near 1, minute hand at 55 minutes]",
            "answer": "1:55",
            "correctAnswer": "1:55",
            "difficulty": "normal"
        },
        {
            "id": 14,
            "type": "clock-math",
            "subType": "subtract-time",
            "question": "40 minutes before 8:25 = ?",
            "answer": "7:45",
            "correctAnswer": "7:45",
            "difficulty": "normal"
        },
        {
            "id": 15,
            "type": "clock-math",
            "subType": "subtract-time",
            "question": "25 minutes before 9:15 = ?",
            "answer": "8:50",
            "correctAnswer": "8:50",
            "difficulty": "normal"
        },
        {
            "id": 16,
            "type": "clock-math",
            "subType": "add-time",
            "question": "55 minutes after 3:50 = ?",
            "answer": "4:45",
            "correctAnswer": "4:45",
            "difficulty": "normal"
        },
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            "id": 17,
            "type": "clock-math",
            "subType": "add-time",
            "question": "20 minutes after 5:35 = ?",
            "answer": "5:55",
            "correctAnswer": "5:55",
            "difficulty": "normal"
        },
        {
            "id": 18,
            "type": "clock-math",
            "subType": "add-time",
            "question": "85 minutes after 9:05 = ?",
            "answer": "10:30",
            "correctAnswer": "10:30",
            "difficulty": "normal"
        },
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            "id": 19,
            "type": "clock-math",
            "subType": "add-time",
            "question": "20 minutes after 8:10 = ?",
            "answer": "8:30",
            "correctAnswer": "8:30",
            "difficulty": "normal"
        },
        {
            "id": 20,
            "type": "clock-math",
            "subType": "elapsed-time",
            "question": "How many minutes from 2:10 to 3:40?",
            "answer": 90,
            "correctAnswer": "90",
            "difficulty": "normal"
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