A man's speed with the current is 16 km / hr and the speed of the current is 2 km / hr. The man's speed against the current is Choose the correct answer
A) 8.5 km / hr  B) 9 km / hr  C) 12 km / hr  D) 12.5 km / hr  E) None
Sol.   Man's rate in still in water = (16 - 2) km / hr = 14 km / hr.   Man's rate against the current = (14 - 2) km / hr = 12 km / hr.   Answer 12 km / hr
<result>C</result>
A man's speed with the current is 16 km / hr and the speed of the current is 2 km / hr. The man's speed against the current is