Multiple choice

The speed of the boat in still water is 18 km/hr and the speed of the current is 2 km/hr. If a man rows his boat upstream for 3 hours and downstream for 2 hours. Find the total distance travelled by him?

  1. 94 km

  2. 78 km

  3. 84 km

  4. 88 km
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Upstream speed = 18 - 2 = 16 km/h. Downstream speed = 18 + 2 = 20 km/h. Distance upstream = 16 × 3 = 48 km. Distance downstream = 20 × 2 = 40 km. Total distance = 48 + 40 = 88 km.

Keep practicing — related questions