B Set 12 Unknown

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                "question": "30 minutes after 1:30 = ?",
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                "id": 8,
                "type": "clock-math",
                "subType": "add-time",
                "question": "90 minutes after 6:00 = ?",
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                "question": "60 minutes before 11:00 = ?",
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                "correctAnswer": "10:00",
                "difficulty": "starter"
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                "id": 14,
                "type": "clock-math",
                "subType": "add-time",
                "question": "30 minutes after 3:00 = ?",
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                "correctAnswer": "3:30",
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                "id": 15,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 1:00 to 1:30?",
                "answer": 30,
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                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 9:30 to 11:30?",
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                "id": 17,
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                "question": "What time is shown on the clock? [hour hand near 6, minute hand at 30 minutes]",
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                "subType": "elapsed-time",
                "question": "How many minutes from 11:00 to 12:00?",
                "answer": 60,
                "correctAnswer": "60",
                "difficulty": "starter"
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                "id": 19,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [6 o'clock]",
                "answer": "6:00",
                "correctAnswer": "6:00",
                "difficulty": "starter"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "add-time",
                "question": "90 minutes after 5:30 = ?",
                "answer": "7:00",
                "correctAnswer": "7:00",
                "difficulty": "starter"
            }
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