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(#M40000769) INFOSYS Numerical Ability question Keep an EYE

A boy goes to school from his house.on one fourth oh his way to school, he crosses a machinery station. And on one third of his way to school, he crosses a Railway station.He crossed the machinery station at 7:30 and he crosses the Railway station at 7:35.when does he leave the house & when does he reach the school ?

Asked In Infosys Yashar (14 years ago)

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Read Solution (1) :

Harish N  (14 years ago)

1/4th distance is reached at 7:30 and 1/3rd distance is reached at 7:35
Hence (1/3)-(1/4)=1/12 distance will be covered in 5 mins.
If 1/12th of the total distance is covered in 5 mins then, the boy needs 60 mins to cover total distance (i.e., 5*12=60)
1/4th of 60 mins is 15 mins. Hence the boy would have left 15 mins before 7:30
Hence the boy leaves the house at 7:15 and reaches his school at 8:15

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