Multiple choice

The speed of a boat in still water is 30 kmph and the rate of current is 6 kmph. The distance travelled downstream in 12 minutes is

  1. 7.2 km

  2. 432 km

  3. 4.8 km

  4. 6 km

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Speed downstream = (30 + 6) = 36 kmph Time = 12 min = (12/60) hours = 1/5 hours Distance = 36/5 = 7.2 km Hence, this option is correct.

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