A car finishing a journey in ten hours at the speed of 80 km hr If the same distance is to be covere...........

Quantitative Aptitude ( CCS) Time & distance

A car finishing a journey in ten hours at the speed of 80 km/hr. If the same distance is to be covered in eight hours how much more speed does the car have to gain?

8 km/hr

10 km/hr

12 km/hr

16 km/hr

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Explanation:

Initially speed of car = travelled distance/time
=80/10=8kmph
now to cover same distance the new speed of car must be =80/4=20kmph
speed of car will have to increase=20-10
=10kmph

Hence, option 2 is the correct answer.