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Service | HCL Quantitative 5 | Question 12

Suppose a MotorBoat driver is riding a motorboat at a speed of 40kmph in still water. What will be the speed of the water current if it takes him 3 hours 30 minutes to row a boat to a place  40 km away and return?


 

(A)

22.1

(B)

23.1

(C)

23.9

(D)

34

Answer

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