Multiple choice

The speed of a boat in still water is 15 kmph and the speed of the current is 3 kmph. A wind of speed 2 kmph is blowing in the opposite direction of the current. The distance travelled downstream in 15 minutes is

  1. 4 km

  2. 3.5 km

  3. 5 km

  4. 4.5 km

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The speed while going downstream = (15 + 3 - 2) kmph = 16 kmph

Distance = 16/4 = 4 km