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Choose the correct option.
A man takes 5 hours 45 min in walking to a certain place and riding back. He would have gained 2 hours by riding both ways. The time he would take to walk both ways is
A11 hrs
B8 hrs 5 min
C7 hrs 45 min
D9 hrs 20 min
Answer: Option (Login/Signup)
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Let his walking speed be x km/hr and riding speed be ykm/hr
First case: d/x +d/y = 23/4
Second case: 2d/y= 15/4 (ii)
We have to calculate 2d/x
Putting the value of d/y from eq.(ii) in eq (i) we get d/x as 31/8
So, 2d/x will be equal to 62/8= 7hrs 45 minutes.
First case: d/x +d/y = 23/4
Second case: 2d/y= 15/4 (ii)
We have to calculate 2d/x
Putting the value of d/y from eq.(ii) in eq (i) we get d/x as 31/8
So, 2d/x will be equal to 62/8= 7hrs 45 minutes.
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