Multiple choice

The speed of a stream is 3 km/hr. and the speed of a man in downstream is 8 km/hr. The time taken by the man to swim 26 km upstream is

  1. 13 hours

  2. 12 hours

  3. 3 hours

  4. 14 hours
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Downstream speed = 8 km/hr, stream speed = 3 km/hr. So man's speed in still water = 8 - 3 = 5 km/hr. Upstream speed = 5 - 3 = 2 km/hr. Time to go 26 km upstream = 26/2 = 13 hours. Option A is correct.

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