A truck covers a certain distance in 12 hrs at the speed of  70 km/hr . What is average speed 0f  a car which travels a distance of 120 km more than the truck in the same time ?

 a.56 km/hr    b.   75 km/hr    c. 8o km/hr    d. 78 km/hr

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dineshUncategorized
A truck covers a certain distance in 12 hrs at the speed of  70 km/hr . What is average speed 0f  a car which travels a distance of 120 km more than the truck in the same time ?  a.56 km/hr    b.   75 km/hr    c. 8o km/hr...