1.

A truck covers a distance of 420 km in certain amount of time at the speed of 70 kmph. What is the avverage speed of the bike that travels a distance of 36 km less than the truck in the same time ?

A. 62 kmph
B. 64 kmph
C. 68 kmph
D. 66 kmph
Answer» C. 68 kmph


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