1. Two trains of length 70 m and 80 m are running at speed of 68 km/hr and 40 km/hr respectively on parallel tracks in opposite directions. In how many seconds will they pass each other ?

10 sec

8 sec

5 sec

3 sec

Answer: 5 sec

Explanation:


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

72 m

80 m

82 m

50 m

Answer: 50 m

Explanation:


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

50 m

72 m

80 m

82 m

Answer: 50 m

Explanation:


4. Two trains, of same length, are running on parallel tracks in the same direction with speed 60 km/hour and 90 km/hour respectively. The latter completely crosses the former in 30 seconds. The length of each train (in metres) is ?

125

150

100

115

Answer: 125

Explanation:


5. A policeman goes after a thief who has 100 metres start, if the policeman runs a kilometre in 8 min, and the thief a km in 10 min, the distance covered by thief before he is over-powered is ?

350 m

400 m

320 m

420 m

Answer: 400 m

Explanation:


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

82 m

50 m

80 m

72 m

Answer: 50 m

Explanation:


7. How much time does a train, 50 m long, moving at 68 km/hour take to pass another train, 75 m long, moving at 50 km/hour in the same direction ?

5 seconds

10 seconds

20 seconds

25 seconds

Answer: 25 seconds

Explanation:


8. The lengths of a train and that of a platform are equal. If with a speed of 90 km/hr the train crosses the platform in one minute, then the length of the train (in metres) is ?

500

600

750

900

Answer: 750

Explanation:


9. A 200 metre long train is running at a speed of 72 km/hr. How long will it take to cross 800metre long bridge ?

50 seconds

40 seconds

60 seconds

30 seconds

Answer: 50 seconds

Explanation:


10. A train of length 500 feet crosses a platform of length 700 feet in 10 seconds. The speed of the train is ?

70 ft/second

85 ft/second

100 ft/second

120 ft/second

Answer: 120 ft/second

Explanation: