Q2
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:
A.
8.5 km/hr
B.
9 km/hr
C.
10 km/hr
AnswerD.
12.5 km/hr
E.
None of these
Answer: Option C
Solution
Answer: Option C
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.