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Q.

A car takes 6 hours to cover a distance of 540 km. How much should the speed in km/hr be maintained to cover the same distance in 3/2 of the previous time?

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a

75 km/hr 

b

62 km/hr 

c

77 km/hr 

d

60 km/hr

answer is A.

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Detailed Solution

Total distance= 540 km 

Car takes to cover the distance = 6 hrs. 

Speed of car to cover the distance in 32of the previous time.

=5406×32=5409=60km/hr

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