New Enroll in RBI Grade B New Batch - Starts on May 21

Question

A boat takes 7 hours to cover 245 km upstream and 10

hours to cover 450 km downstream. Find the time taken by the boat to cover 533 km upstream and 329 km downstream if speed of boat in still water is increased by 4 km/h and speed of stream is decreased by 2 km/h.

A 27 hours

B 21 hours

C 25 hours

D 22 hours

E 20 hours

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