Question
Amit starts from a point A and walks to another point B and then returns from B to A by his car and thus takes a total time of 6h and 45 min, if he had driven both ways in his car, then he would have taken 2hless.How long would it take for him to walk both ways?
Answer: Option D
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Let w be the time taken in one way by walking and C be the time taken in one way By car.
According to the question In first case
w+c = 6h 45min
=> 2w+2c = 13h 30 min
In second case, 2c = 4h 45min
From equ's (i) and equ's(ii)
2w+2c = 13h 30 min
=> 2w + 4h 45min = 13h 30min
=> 2w = 13h 30 min “ 4h 45 min
=> 2w = 8h 45min
Hence, if he walks both ways then time taken is 8h 45 min
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