Formulae
1. km/hr to m/s conversion
a km/hr = (a x5/18) m/s
2. m/s to km/hr conversion
a m/s = (a x18/5) km/hr
Exercise : Problems on Trains MCQ Questions and Answers
Question 1
How many seconds will a 500 meter long train moving with a speed of 63 km/hr, take to cross a man walking with a speed of 3 km/hr in the direction of the train ?
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Correct Answer : D. 30
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50/50
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Question 2
320m long train is running at 72 Kmph. how much time it will take to cross a platform of 180m long?
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Correct Answer : D. 25sec
Description :
Total Length = platform Length+ Train Length
Total Length= 500m
D = S * T
500 = 72 * time
500 = 72 * 5/18 * time
Time = 25Sec
Question 3
Two, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively.The ratio o
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Correct Answer : A. 4:3
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Question 4
A train 110 m long travels at 60 km/hr. How long does it take to cross a platform 240 metres long ?
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Correct Answer : A. 21 sec
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Question 5
Bombay Express left Delhi for Bombay at 14:30hrs travelling at a speed of 60kmph and Rajdhani Express left Delhi for Bombay on the same day at 16:30hrs travelling at a speed of 80kmph. How far away fr
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Correct Answer : A. 480km
Description :
Suppose they meet x hours after 14:30hrs
Then, 60x = 80(x-2) => x=8
Required distance = 60?8 = 480km
Question 6
A train 100 metres in length passes a milestone in 10 seconds and another train of the same length travelling in opposite direction in 8 seconds. The speed of the second train is:
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Correct Answer : A. 54 kmph
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Question 7
With a speed of 60 kmph a train crosses a pole in 30 seconds. The length of the train is :
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Correct Answer : D. 500 m
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Question 8
A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?
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Correct Answer : A. 89 sec.
Description :
Speed = 240/24 = 10 m/sec.
Required time = (240 + 650)/10 = 89 sec.
Question 9
Two trains 300 m and 400 m long run at the speeds of 40 kmph and 50 kmph respectively in opposite Directions on parallel tracks. The time taken to cross each other?
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Correct Answer : D. 28 sec.
Description :
Length of two Trains = 300 m + 400 m = 700 m
Total Speed= 40 Kmph + 50 Kmph (Opposite Direction)
= 90 Kmph
Time = Distance/Speed
Time = 700/ 90
Time = 28 Sec
Question 10
A train 360 m long runs with a speed of 45 km/hr. What time will it take to pass a platform of 140 m long?
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Correct Answer : D. 40 sec
Description :
Speed = 45 km/hr = 45?(10/36) m/s
= 150/12 = 50/4 = 25/2 m/s
Total distance = length of the train + length of the platform
= 360 + 140 = 500 meter
Time taken to cross the platform = 500/(25/2) = 500?2/25 = 40 seconds