general types of questions asked in any private bank exams

A boat can travel with a speed of 13 km/hr in still water. if the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km. (a) 2 hours (b) 3 hours (c) 4 hours (d) 5 hours

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  • In the question they given the data that

    speed of boat 13 km/hr and speed of stream is 4 km/hr

    and they asked us to solve the time taken by the boat in down stream for a distance of 68 kms.

    we know as per the formula down stream means speed of boat + speed of stream

    therefore,
    down stream = 13+4=17 km/hr
    as per the problem we got to find time taken by boat to travel a distance of 68km down stream.

    we have formula that, time=distance/speed
    =68/17
    =4 hours
    -2
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