Quantitative Aptitude Ques 835

Question: The speed of a stream is 3 km/h and the speed of a man in still water is 5 km/h. The time taken by the man to swim 26 km downstream is

Options:

A) $ 5\frac{1}{2}h $

B) $ 8\frac{2}{3}h $

C) $ 3\frac{1}{4}h $

D) $ 13h $

Show Answer

Answer:

Correct Answer: C

Solution:

  • Speed of stream $ =3km/h $ Speed of man in still water $ =5km/h $ Now, speed of man downstream $ =(3+5)=8km/h $

$ \therefore $ Time taken to travel 26 km downstream $ =\frac{26}{8}=\frac{13}{4}=3\frac{1}{4}h $