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Speed Time & Distance

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Question 1

A train takes 1 minute to cross a stationary pole. How much time (in seconds) will it take to cross a bridge whose length is twice that of the train?

Question 2

A biker riding with speed 72 km/h crosses the red light. After 3 minutes he crossed the red light a traffic police start chasing him. What should be the speed of traffic police so that he can catch the biker in next 15 minutes?

Question 3

A car can travel 40% faster than bus. Both start from point P at the same time and reach point Q which is 150 km away from point P at the same time. On the way, however, car lost about 7.5 minutes for filling its petrol tank due to que on petrol pump. Calculate the speed of the bus?

Question 4

A man goes from C to D at 40 km/h and he returns from D to C at x km/h. If the average speed of the man for the whole journey is 60 km/h, then what is the value of x?

Question 5

A boatman goes 2 km against the current of stream in 40 minutes and returns to the same spot in 30 minutes. What is his rate of rowing in still water?

Question 6

Two trains 121 metres and 165 metres in length respectively are running in opposite directions, one at the rate of 80 km/hr and the other at the rate of 64 km/hr. After what time they will completely cross each other from the moment they meet?

Question 7

A train crosses a stationary pole in 3 minutes and a 600 metres long platform in 5 minutes. What are the length and the speed of the train?

Question 8

A man driving at three-fourth of his original speed reaches his destination 20 minutes later than the usual time. Then the usual time is:

Question 9

A runs twice as fast as B and B runs thrice as fast as C. How much time A would take to cover the same distance as C covers in 72 min?

Question 10

A train crosses two persons travelling at 3 kmph and 5 kmph in the same direction in 10 seconds and 11 seconds respectively. The speed of the train is:
  • 4173 attempts
Dec 14SSC & Railway