SSC MTS 2021 · PYQ · Speed, Distance and Time · medium
A man rows downstream at a speed of 15 km/h and upstream at 11 km/h. Find his speed in still water and the speed of the current, respectively. [Give both your answers in km/h]
A.13 : 2✓ Correct
B.13 : 6
C.11 : 4
D.13 : 5
Explanation
Speed in still water = (15+11)/2 = 13 km/h. Speed of current = (15–11)/2 = 2 km/h. So the answer is 13:2.
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