// JavaScript Document


var data = {
    "_rubric": "<b>Fill in the blank.</b>",
    "_title": "<b>Complements</b>",
    "_optionArr": [
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        []
    ],
    "_quesArr": [
        [
            {
                "ques": "2 h 40 min + 4 h 20 min = ___ h ___ min",
                "ans": [
                    [
                        "7"
                    ],
                    [
                        "0"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "3 h 15 min + 5 h 40 min = ___ h ___ min",
                "ans": [
                    [
                        "8"
                    ],
                    [
                        "55"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "6 h 20 min + 6 h 50 min = ___ h ___ min",
                "ans": [
                    [
                        "13"
                    ],
                    [
                        "10"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "3 h 55 min + 4 h 10 min = ___ h ___ min",
                "ans": [
                    [
                        "8"
                    ],
                    [
                        "5"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "5 h 25 min + 1 h 35 min = ___ h ___ min",
                "ans": [
                    [
                        "7"
                    ],
                    [
                        "0"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "7 h 20 min - 0 h 50 min = ___ h ___ min",
                "ans": [
                    [
                        "6"
                    ],
                    [
                        "30"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "3 h 10 min - 2 h 40 min = ___ h ___ min",
                "ans": [
                    [
                        "0"
                    ],
                    [
                        "30"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "8 h 55 min - 6 h 20 min = ___ h ___ min",
                "ans": [
                    [
                        "2"
                    ],
                    [
                        "35"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "5 h 15 min - 3 h 45 min = ___ h ___ min",
                "ans": [
                    [
                        "1"
                    ],
                    [
                        "30"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "10 h 10 min - 8 h 50 min = ___ h ___ min",
                "ans": [
                    [
                        "1"
                    ],
                    [
                        "20"
                    ]
                ]
            }
        ]
    ]
};