What is his speed in km per hour?

A man riding his bicycle covers 150 metres in 25 seconds. What is his speed in km per hour?

  1. 20 km/hr
  2. 21.6 km/hr
  3. 23 km/hr
  4. 25 km/hr
kailashkumar Default Asked on 24th July 2015 in Maths.
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1 Answer(s)

Answer: (2) 21.6 km/hr
Explanation:-
Total distance covered by a man = 150 meters
Time taken by a man to covered distance 150 meters = 25 sec
Speed of the bicycle = 150/25 = 6 m/sec
Speed km/hr = 6 x 18/5
= 108/5
= 21.6 km/hr
Hence, the answer is (2) 21.6 km/hr.

Anurag Mishra Professor Answered on 24th July 2015.
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