15. A train 110. m long passes a man, running at 6 kmph in the direction opposite to that of the train in 6 seconds. The speed of the train is

A. 54 km / hr

B. 60 km /hr

C. 6 km / hr

D. 72 km / hr

16. Two goods train each 500 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km / hr and 30 km / hr ?respectively. Find the time taken by the slower, train to pass the driver of the faster one.

A. 12 sec

B. 24 sec

C. 48 sec

D. .60 sec

17. Two trains of equal length are running on parallel lines in the same direction at 46km / hr and 36 km /hr. The faster train passes the slower train in 36 seconds. The length of each train is :

A.50m

B.72m

C. 80m

D. 82m

18. A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds: What is the length of the other train ?

A. 30 m

B. 240m

C. 20 m

D. 320 m

19. Two trains are running in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km / hr) is :

A.10

B.18

C.36

D.72

20. Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time (in seconds) will they cross each other travelling in opposite direction ?

A.10

B.12

C.15

D.20

21. train 108 m long moving at a speed of 50 km / hr crosses a train 112 in long coming from opposite direction in 6. seconds. The speed of the second train is

A. 48 km/hr

B. 54 km/hr

C. 66 km/hr

D. 82 km/hr

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