A bus starts running with the initial speed of 21 km/hr and its speed – McqOptions

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1.	A bus starts running with the initial speed of 21 km/hr and its speed increases every hour by 3 km/hr. How many hours will it take to cover a distanceÂ of 252 km?
A.	3
B.	5
C.	8
D.	10
Answer» D. 10

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