Ravish can swim in still water at the rate of 15 km/h. He takes half as long to swim downstream than upstream then find the speed of stream (in km/h).
- AOption (a)
8
- BOption (b)
5
- COption (c)
7
- DOption (d)
4
- EOption (e)
10
View answer & explanationHide answer & explanation
Correct answer
8
