A man takes 7 hours 30 mins in walking to a certain distance and riding back He would have gained 3 ...........

Quantitative Aptitude ( CCS) Time & distance

A man takes 7 hours 30 mins in walking to a certain distance and riding back. He would have gained 3 hours 10 mins by riding both ways. How long he would take to walk both ways?

600 mins

640 mins

680 mins

580 mins

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Explanation:

Solution:
7 hour 30 mins – 3 hours 10 mins =4 hours 20 mins(When riding both ways)
=> 2 hour 10 mins riding in one way
ride+walk= 7 hour 30 min —(i)
ride= 2 hour 10 min –(ii)
Diff (i)-(ii)=walk one way=5 hour 20 min
walk 2 way= 10 hour 40 mins=640 mins