A man 8 km/hr in still water. If the river is running at

Home » Aptitude » Boats and Streams » Question

A man 8 km/hr in still water. If the river is running at 2 km/hr, it taken 32 minutes to row to a place and back. How for is the place ?

1. 1.5 km
2. 2.5 km
3. 2 km
4. 3 km

Correct Option: C

∵ D/(8 - 2) + D/(8 + 2) = 32/60
⇒ D/6 + D/10 = 32/60
⇒ 10D + 6D = 32
∴ D = 2 km