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In one hour, a boat goes 11km along stream & 5km against the stream. The speed of boat in still water in kmph is:

Option 1)

7

Option 2)

5

Option 3)

8

Option 4)

9

Option 5)

3

Answers (1)

best_answer

Upstream Speed = 5 => 5 Kmph

Downstream Speed = 11 => 11 Kmph

Speed Of Boat = (11+5)/2 => 8 Kmph

Posted by

rishi.raj

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