A boy walks from his house at 4 km per hr. and reaches his school 9 minutes late. If hisspeed had been 5 km per hr. he would have reached his school 6 minutes earlier. How far his school from house?

A boy walks from his house at 4 km per hr. and reaches his school 9 mi

1.	A boy walks from his house at 4 km per hr. and reaches his school 9 minutes late. If his speed had been 5 km per hr. he would have reached his school 6 minutes earlier. How far his school from house?
A.	6.5 km.
B.	5.5 km.
C.	6 km.
D.	5 km.
Answer» E.

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A boy walks from his house at 4 km per hr. and reaches his school 9 minutes late. If hisspeed had been 5 km per hr. he would have reached his school 6 minutes earlier. How far his school from house?

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A boy walks from his house at 4 km per hr. and reaches his school 9 minutes late. If his
speed had been 5 km per hr. he would have reached his school 6 minutes earlier. How far his school from house?