A car can finish a certain journey in 10 hours at a speed of 48 kmph In order to cover the same dist...........

Quantitative Aptitude ( CCS) Time & distance

A car can finish a certain journey in 10 hours at a speed of 48 kmph. In order to cover the same distance in 8 hours, the speed of the car must be increased by:

6 km/hr

7.5 km/hr

12 km/hr

15 km/hr

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Explanation:

With speed of 48km/hr n time 10hrs
Distance covered = 48×10=480km
person wants to cover the distance in 8 hrs
speed=distance/time= 480/8= 60km/hrs
so speed of the car should be increase by 60-48=12km/hrs in order to cover distance in 8 hrs

Hence, option 3 is the correct answer.