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     EduGorilla 
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    A boat can cover 18 km downstream in 45 minutes and ratio between speed of boat to speed of current is 2 : 1. If boat Start from point P to point Q, which is 72 Km apart from point P upstream but when boat reach at point Q river change its direction and also speed of boat decreased by 25% percent. Then find total time take by boat to cover distance of Q to P ?

    Options :-

    1. 16 hours
    2. 18 hours
    3. 14 hours
    4. 12 hours
    5. 24 hours
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