An auto rickshaw takes 3 hours to cover a distance of 36 km.

Question:

An auto rickshaw takes 3 hours to cover a distance of 36 km. If its speed is increased by 4 km/h, the time taken by it to cover the same distance is __________.

Solution:

Distance covered by auto rickshaw in 3 hours = 36km

Speed = 36/3 = 12 km/hr

If we increase the speed by 4km/hr, then the total speed becomes = 12+4 = 16km/hr

Now, the time taken by auto rickshaw will be = 36/16 = (36×60)/16 = 135 min

= 120 + 15

= 2 hour 15min

Leave a comment

Close
faculty

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now