Quantitative Aptitude Ques 1061

Question: A boat while travelling upstream covers a distance of 18 km at the speed of 3 km/h, whereas while travelling downstream it covers the same distance at a speed of 9 km/h. What is the speed of the boat in still water?

Options:

A) 3 km/h

B) 5 km/h

C) 7 km/h

D) Cannot be determined

E) None of the above

Show Answer

Answer:

Correct Answer: E

Solution:

  • [e] Boat’s speed in still water $ =\frac{1}{2}(9+3)=6km/h $
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