10
Q:

Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

A) 27 7/9 mts B) 25 8/7 mts
C) 21 1/4 mts D) 22 mts

Answer:   A) 27 7/9 mts



Explanation:
Relative speed = (40 - 20) km/hr = ( 20 x 5 ( m/sec = ( 50 ( m/sec.
18 9
Therefore Length of faster train = ( 50 x 5 ( m = 250 m = 27 7 m.
9 9 9
Q:

The ratio between the speeds of two trains is 2 : 5. If the first train covers 350 km in 5 hours, then the speed (in km/h) of the second train is:

 

A) 180 B) 175
C) 165 D) 150
 
Answer & Explanation Answer: B) 175

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4 322
Q:

A train of length 350 m crosses a bridge of length 250 m in 20 seconds. What is the speed of the train (in km/h)?

 

A) 88 B) 72
C) 108 D) 95
 
Answer & Explanation Answer: C) 108

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2 672
Q:

The distance between the two railway stations is 1176 km. To cover this distance, an express train takes 5 hours less than a passenger train while the average speed of the passenger train is 70 km/h less than that of the express train. The time taken by the passenger train to complete the travel is:

 

A) 12 hours B) 23 hours
C) 17 hours D) 18 hours
 
Answer & Explanation Answer: A) 12 hours

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3 642
Q:

A train travels the distance between stations P and Q at a speed of 126 km/h, while in the opposite direction it comes back at 90 km/h. Another train travels the same distance at the average speed of the first train. The time taken by the second train to travel 525 km is:

 

A) 4 hours 20 min B) 5 hours 20 min
C) 5 hours D) 4 hours
 
Answer & Explanation Answer: C) 5 hours

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2 574
Q:

A train, 150 m long is running at 90 km/h. How long (in seconds) will it take to clear a platform that is 300 m long?

 

A) 6 B) 12
C) 50 D) 18
 
Answer & Explanation Answer: D) 18

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1 534
Q:

A train without stop page travels with an average speed of 70km/h, and with stoppage, it travels with the average speed of 56km/h. How many minutes, does the train stop on an average per hour?

 

A) 12 B) 14
C) 16 D) 15
 
Answer & Explanation Answer: A) 12

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3 649
Q:

Train ‘A’ runs at a speed of 80 kmph and leaves station ‘X’ at 11.00 a.m. Train ‘B’ leaves station ‘X’ at 11.15 a.m.in the same direction, on the same day . At what speed train ‘B’ should run in order to catch train ‘A’ at station ‘Y’ located at a distance of 60 km?

 

A) 120 km/h B) 125 km/h
C) 115 km/h D) 110 km/h
 
Answer & Explanation Answer: A) 120 km/h

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4 518
Q:

A train without stoppage travels with an average speed of 50 km/h, and with stoppage, it travels with an average speed of 40 km/h. For how many minutes does the train stop on an average per hour ?

 

A) 12 B) 13
C) 14 D) 15
 
Answer & Explanation Answer: A) 12

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1 591