Problems on Trains

J&K Bank Banking Associate · Quantitative Aptitude · 82 practice questions with answers and explanations: 35 Easy, 47 Medium, 0 Hard.

Sample questions

Sample Easy question 1

A train 200 m long runs at 20 m/s. How long does it take to pass a pole?

  1. 40
  2. 10
  3. 5
  4. 20
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Answer: B. Time = length ÷ speed = 200 ÷ 20 = 10 seconds.

Sample Easy question 2

A 150 m long train running at 54 km/h passes a signal post. How many seconds does it take?

  1. 10
  2. 5
  3. 15
  4. 8
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Answer: A. 54 km/h = 15 m/s. Time = 150 ÷ 15 = 10 seconds.

Sample Easy question 3

A train 240 m long crosses a pole in 6 seconds. What is its speed (in km/h)?

  1. 40
  2. 144
  3. 150
  4. 140
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Answer: B. Speed = 240/6 m/s = 40 m/s = 144 km/h.

Sample Medium question 4

Two trains 200 m and 100 m long run in opposite directions at 36 km/h and 72 km/h. How many seconds do they take to cross each other?

  1. 8
  2. 20
  3. 12
  4. 10
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Answer: D. Relative speed = 108 km/h = 30 m/s; time = 300/30 = 10 s.

Sample Medium question 5

A train 240 m long crosses a pole in 10 seconds. What is its speed (in km/h)?

  1. 86.4
  2. 24
  3. 82.4
  4. 92.4
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Answer: A. Speed = 240/10 m/s = 24 m/s = 86.4 km/h.

Sample Medium question 6

A train running at 90 km/h crosses a pole in 5 seconds. What is the length of the train (in m)?

  1. 145
  2. 125
  3. 105
  4. 450
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Answer: B. Speed = 90 × 5/18 = 25 m/s; length = 25 × 5 = 125 m.

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