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- Question
- A train running at a certain speed crosses a stationary engine in 20 seconds. To find out the speed of the train, which of the following information is necessary?
Options- A. Only the length of the train
- B. Only the length of the engine
- C. Either the length of the train or the length of the engine
- D. Both the length of the train and the length of the engine
- Correct Answer
- Both the length of the train and the length of the engine
ExplanationSince the sum of the length of the train and the length of the engine is needed, so both the lengths must be known.
- 1. A train moves with the speed of 180 km/hr, then its speed in meters per second is?
Options- A. 5
- B. 30
- C. 40
- D. 50 Discuss
- 2. A speed of 16 meters per second is the same as?
Options- A. 40.3 km/hr
- B. 57.6 km/hr
- C. 51.16 km/hr
- D. None of these Discuss
- 3. A train 250 meter long, running with a speed of 50 km/hr will pass an electric pole in?
Options- A. 30 seconds
- B. 18 seconds
- C. 72 seconds
- D. 60 seconds Discuss
- 4. A train 280 meters long is moving at a speed of 60 km/hr. The time taken by the train to cross a platform 220 meters long is?
Options- A. 20 seconds
- B. 25 seconds
- C. 30 seconds
- D. 35 seconds Discuss
- 5. The length of the train that takes 8 second to pass a pole where it runs at a speed of 36 km/hr is?
Options- A. 288 meters
- B. 45 meters
- C. 48 meters
- D. 80 meters Discuss
- 6. A train 110 metres in length runs through a station at the rate of 36 km per hour. How long will it take to pass a given point?
Options- A. 11 sec.
- B. 12 sec.
- C. 13 sec.
- D. 15 sec. Discuss
- 7. A train 135 metres long is running with a speed of 54 km per hour. In what time will it pass a telegraph post?
Options- A. 9 sec
- B. 12 sec
- C. 8 sec
- D. 6 sec Discuss
- 8. A train 550 metres long is running with a speed of 55 km per hour. In what time will it pass a signal post?
Options- A. 30 sec
- B. 24 sec
- C. 42 sec
- D. 36 sec Discuss
- 9. A train 110 metres long travels at 60 km/hr. How long does it take to cross a telegraph post?
Options- A. 5 sec.
- B. 5.6 sec
- C. 6.6 sec
- D. 6.8 sec Discuss
- 10. A train 240 m long passes a bridge 120 m long in 24 sec. Find the speed with which the train in moving?
Options- A. 45 km/hr.
- B. 54 km/hr.
- C. 36 km/hr.
- D. 42 km/hr. Discuss
Problems on Trains
Search Results
Correct Answer: 50
Explanation:
180 km/hr = 180 x (5/18) = 50 m/sec
Correct Answer: 57.6 km/hr
Explanation:
16 m/sec = 16 x (18/5) = 57.6 km/hr
Correct Answer: 18 seconds
Explanation:
? Speed of the train = 50 x (5/18) = 125/9 m/sec
? Time taken by the train to pass the pole = 250 x (9/125) = 18 sec
Correct Answer: 30 seconds
Explanation:
? Speed of the train = 60 x (5/18) m/sec = 50/3 m/sec
? Time taken by the train to cross the platform
= Time taken by it to cover (280 + 220) m
= (500 x 3/50) sec = 30 sec
Correct Answer: 80 meters
Explanation:
Speed of the train = (36 x 5)/18 = 10 m/sec.
Distance = (Time x Speed ) = (8 x 10 ) = 80 meters
? Length of the train = 80 meters
Correct Answer: 11 sec.
Explanation:
Speed of the train = 36 km/hr = 36 x (5/18) = 10 m/sec
? Required time = 110/10 = 11 sec
Correct Answer: 9 sec
Explanation:
Distance traveled = length of the train = 135 m
Speed of the train = 54 Km/hr = 54 x 5/18 = 15 m/s.
Time taken by train = 135 / 15 sec. = 9 sec.
Correct Answer: 36 sec
Explanation:
Distance covered = 550 meter. = 0.55 km
Speed of the train = 55 km/hr
So time taken = 0.55 / 55 =1/100 hr = (60 x 60 )/100 sec = 36 sec
Correct Answer: 6.6 sec
Explanation:
Time = distance / speed
=110 / {60 x 18/5} = 6.6 sec.
Correct Answer: 54 km/hr.
Explanation:
Required speed = (240 + 120) / 24 = 15 m/sec
= 15 x (18/5) km/hr = 54 km/hr
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