1.

A person can row a distance of one kilometre upstream in 10 min and downstream in four min. What is the speed of the stream?

Answer»

1 KM in 10min or 1/6hr.

So, speed here, is 6km/hr.

6km/hr = Vs-Vr ([email PROTECTED])

Vs- speed in still water.

Vr- speed in moving water.

So, SIMILARLY

4MIN or 1/15hr,

15km/hr = Vs+Vr ([email protected])

So. From ([email protected] and [email protected])

Vs=10.5km/hr.

Vr=4.5km/hr.




Discussion

No Comment Found

Related InterviewSolutions