A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr The man's speed...

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr The man's speed against the current is

Quiz

Answer/Solution

10 km/hr

Steps/Work

Solution
Man's rate in still water = (15 - 2.5) km/hr
= 12.5 km/hr.
Man's rate against the current = (12.5 - 2.5) km/hr
= 10 km/hr.
Answer C