"A man's speed with the current is 15 km / hr and the speed of the current is 2.5 km/ hr.
Channel: Doubtnut
Date: 2020-04-05

"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: 
`8. 5\ k m//h r`
b. `\ 9\ k m//h r`
c. `10\ k m//h r`
d. `12. k m//h r`"