Question Detail

A train covers a distance in 50 minutes, if it runs at a speed of 48kmph on an average. Find the speed at which the train must run to reduce the time of journey to 40 minutes.

  • 50 km/hr
  • 60 km/hr
  • 65 km/hr
  • 70 km/hr
Similar Questions :

1. In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. What is the duration of the flight ?

  • 3 hours
  • 2.4 hours
  • 1.4 hours
  • 1 hour

2. A car moves at 80 km/hr. What is the speed of the car in meters per second ?

  • \begin{aligned} 20\frac{2}{9} m\sec \end{aligned}
  • \begin{aligned} 22\frac{2}{9} m\sec \end{aligned}
  • \begin{aligned} 24\frac{2}{9} m\sec \end{aligned}
  • \begin{aligned} 26\frac{2}{9} m\sec \end{aligned}

3. A cyclist covers a distance of 750 meter in 2 minutes 30 seconds. What is the speed in km/hr of cyclist

  • 16 km/hr
  • 17 km/hr
  • 18 km/hr
  • 19 km/hr

4. A train traveled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point.

  • 6 hours 24 mins
  • 6 hours 21 mins
  • 6 hours 18 mins
  • 6 hours 15 mins

5. 2 trains starting at the same time from 2 stations 200 km apart and going in opposite direction cross each other at a distance of 110 km from one of the stations. What is the ratio of their speeds ?

  • 11:9
  • 13:9
  • 17:9
  • 21:9
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