Question

If a man's rate with the curretn is 12 km./hr. and the rate of the current 1.5 km./hr.,
then man's rate against the current is :
a) 9 km./hr.
b) 6.75 km./hr. c) 5.25 km./hr. d) 7.5 km./hr.​

Answer 1

Answer:

Step-by-step explanation:

Let the rate against the current be x km/hr.

Then, (12 - x) / 2 = 1.5

⇒ 12 - x = 3

⇒ x = 9 km/hr