Ananya rows 16 km downstream in 2 hours and 9 km upstream in 1 hour 30 minutes. What is the speed of the current?

Explanation

1. 01

   Downstream speed $= \frac{16}{2} = 8$ km/h; upstream $= \frac{9}{1.5} = 6$ km/h.

2. 02

   Current $= \frac{8 - 6}{2} = 1$ km/h.