What will be his Average Speed? If

A man covers half of his journey at 6 km/hr and the remaining half at 3 km/hr. His average speed is:

  1. 3 km/hr
  2. 4 km/hr
  3. 4.5 km/hr
  4. 9 km/hr
Desire Adnan Default Asked on 4th August 2015 in Maths.
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1 Answer(s)

Answer: (3) 4.5 km/hr
Explanation:-
The speed of a man to covered the half journey = 6 km/hr
The speed of a man remaining half covered journey  = 3 km/hr.

Then, the average speed = (6 + 3)/2
= 9 /2
= 4.5 km/hr.
Then, the average speed of a man is 4.5 km/hr.

Hence, the answer is (3) 4.5 km/hr.

Anurag Mishra Professor Answered on 5th August 2015.
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