Multiple Choice Questions on Speed of boat in still water is 14 km hr while the speed of current is 10 km hr If it takes a total ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Speed of boat in still water is 14 km hr while the speed of current is 10 km hr If it takes a total ...........

Quantitative Aptitude ( CCS) Boats and Streams
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    Speed of boat in still water is 14 km/hr while the speed of current is 10 km/hr. If it takes a total of 7 hours to row to a place and come back, then how far is the place?

    30 km

    Incorrect Answer

    18 km

    Incorrect Answer

    24 km

    Correct Answer

    32 km

    Incorrect Answer
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    Explanation:

    Solution: 
    USE FORMULA:
    Distance = total time * [B2 – R2]/2*B
    So distance = 7 * [142 – 102]/2*14
    Distance = 24 km

    By: Pranav Gupta
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