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A man takes 6 hours 15 minutes in walking a distance and riding back to starting place. He could walk both ways in 7 hours 45 minutes. The time taken by him to ride back both ways is:

A. 4 hours

B. 4 hours 30 min.

C. 4 hours 45 min.

D. 5 hours

Answer: Option C

Solution(By Examveda Team)

Time taken in walking both the ways = 7 hours 45 minutes -------- (i)
Time taken in walking one way and riding back = 6 hours 15 minutes ----------- (ii)
By the equation (ii) × 2 - (i), we have,
Time taken by the man in riding both ways,
= 12 hours 30 minutes - 7 hours 45 minutes
= 4 hours 45 minutes.

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