If Nishu can swim downstream at 6kmph and upstream at 2kmph What is his speed in still water ........

Quantitative Aptitude ( CCS) Boats and Streams

If Nishu can swim downstream at 6kmph and upstream at 2kmph.What is his speed in still water ?

5 km/hr

4 km/hr

8km/hr

7km/hr

Speed of boat in stiil water = ½ (6+2)
= 8/2 = 4kmph
speed in still water = 4kmph

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