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A train runs for 3h at the speed of 40 km /h and then for `4 (1)/(2)` h at the speed of 60 km/h , thus . It wants to cover 3/5 th part of it.the remaining distance distance in 4 h, find the average speed of the train for remaining distance .

A

a. 45 km/h

B

b. 35 km/h

C

c. 80 km/h

D

d. 65 km/h

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The correct Answer is:
D
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ARIHANT SSC-SPEED, TIME AND DISTANCE -EXERCISE BASE LEVEL QUESTIONS
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  13. A car runs at the speed of 50km/h when not serviced and runs at 60km/h...

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  16. Dalbir Singh, a policeman, is 114 m behind a thief. Dalbir Singh runs ...

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  17. A person covers half of his journey at 40km/h, one-third at 60 km/h an...

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