A man's speed with the current is 12 km/hr and the speed of the current is 2 km/hr. The man's speed against the current is  Choose the correct choice from the following choices
A) 8	B) 10	C) 11	D) 12	E) 13

Rationale: "man ' s rate in still water = ( 12 - 2 ) km / hr = 10 km / hr . man ' s rate against the current = ( 10 - 2 ) km / hr = 8 km / hr . answer : a"
Answer: A