A car covers its journey at the speed of 80km/hr in 10hours. If the same distance is to be covered in 4 hours, by how much the speed of car will have to increase ?

A car covers its journey at the speed of 80km/hr in 10hours. If the

1.	A car covers its journey at the speed of 80km/hr in 10hours. If the same distance is to be covered in 4 hours, by how much the speed of car will have to increase ?
A.	40km/hr
B.	60km/hr
C.	90km/hr
D.	120km/hr
Answer» E.

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A car covers its journey at the speed of 80km/hr in 10hours. If the same distance is to be covered in 4 hours, by how much the speed of car will have to increase ?

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