Multiple choice

The ratio of the speed of a bus and a train is 15 : 27 respectively. A car can cover 720 km in 9 hrs and the speed of the bus is three-fourth of the car speed. Find the distance travelled by the train in 7 hours?

  1. 720

  2. 736

  3. 744

  4. 756

  5. None of these

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

Car speed = 720/9 = 80 km/hr. Bus speed = 3/4 of car = 60 km/hr. Given bus:train = 15:27, so train speed = 60 × 27/15 = 108 km/hr. Distance by train in 7 hours = 108 × 7 = 756 km.