A boat goes 14 km upstream in 56 minutes. The speed of stream is 2 km/hr. The speed of boat in still water is

Answers (2)

A boat goes 14 km upstream in 56 minutes. The speed of stream is 2 km/hr. The speed of boat in still water is

  • Option 1)

    4.7 kmph

  • Option 2)

    7 kmph

  • Option 3)

    17 kmph

  • Option 4)

    8.5 kmph

  • Option 5)

    6 kmph

14×60/56=15km/hr

Upstream=X-Y

15=X-2

X=15-2

X=17

 

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