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4

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is

A. 45 km/hr

B. 50 km/hr

C. 54 km/hr

D. 55 km/hr

Correct Answer :

B. 50 km/hr


Speed of the train relative to man = 12510 m/sec    = 252 m/sec.= 252 x 185 km/hr   = 45 km/hr.  Let the speed of the train be x km/hr. Then, relative speed = (x - 5) km/hr. x - 5 = 45     x = 50 km/hr.

Related Questions

What is the correct answer?

4

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is

A. 45 km/hr

B. 50 km/hr

C. 54 km/hr

D. 55 km/hr

What is the correct answer?

4

A train is 100 meter long and is running at the speed of 30 km per hour. Find the time it will take to pass a man standing at a crossing.

A. 10 seconds

B. 12 seconds

C. 14 seconds

D. 16 seconds

What is the correct answer?

4

A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train?

A. 220 meter

B. 225 meter

C. 230 meter

D. 235 meter

What is the correct answer?

4

A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?

A. 40 sec

B. 42 sec

C. 45 sec

D. 48 sec

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4

Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is ?

A. 1:3

B. 3:2

C. 3:5

D. 3:7

What is the correct answer?

4

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. Find the length of the train.

A. 150 meter

B. 145 meter

C. 140 meter

D. 135 meter

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4

Two goods train each 500 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one.

A. 12 sec

B. 24 sec

C. 48 sec

D. 60 sec

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4

A train is moving at a speed of 132 km/hour. If the length of the train is 110 meters, how long will it take to cross a railway platform 165 meters long.

A. 7 second

B. 7.5 second

C. 8 second

D. 8.5 second

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4

A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is:

A. 50 m

B. 150 m

C. 200 m

D. Data inadequate

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4

Two trains are running in opposite directions in the same speed. The length of each train is 120 meter. If they cross each other in 12 seconds, the speed of each train (in km/hr) is

A. 30 Km/hr

B. 36 Km/hr

C. 80 Km/hr

D. 90 Km/hr

What is the correct answer?

4

A train speeds past a pole in 15 seconds and a platform 100 meter long in 25 seconds. What is length of the train ?

A. 140 meter

B. 145 meter

C. 150 meter

D. 155 meter

What is the correct answer?

4

A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. Find the length of train ?

A. 45 meter

B. 50 meter

C. 55 meter

D. 60 meter

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4

A jogger running at 9 kmph alongside a railway track is 240 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction. In how much time will the train pass the jogger ?

A. 30 seconds

B. 32 seconds

C. 34 seconds

D. 36 seconds

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4

Two trains are running in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km/hr) is:

A. 10

B. 18

C. 36

D. 72

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4

A train 100 m long is running at the speed of 30 km / hr. Find the time taken  by   it to pass a man standing near the railway line.

A. 12 sec

B. 20 sec

C. 15 sec

D. 17 sec

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4

A train 108 m long moving at a speed of 50 km/hr crosses a train 112 m long coming from opposite direction in 6 seconds. The speed of the second train is:

A. 48 km/hr

B. 54 km/hr

C. 66 km/hr

D. 82 km/hr

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4

A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train?

A. 230 meter

B. 240 meter

C. 260 meter

D. 320 meter

What is the correct answer?

4

A train is 360 meter long is running at a speed of 45 km/hour. In what time will it pass a bridge of 140 meter length.

A. 20 seconds

B. 30 seconds

C. 40 seconds

D. 50 seconds

What is the correct answer?

4

A train travelling at a speed of 75 mph enters a tunnel 31/2 miles long. The train is 1/4 mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?

A. 2.5 min

B. 3 min

C. 3.2 min

D. 3.5 min

What is the correct answer?

4

Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is

A. 1 : 3

B. 3 : 2

C. 3 : 4

D. None of these

What is the correct answer?

4

A 300 metre long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?

A. 320 m

B. 350 m

C. 650 m

D. Data inadequate

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4

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

A. 50 m

B. 72 m

C. 80 m

D. 82 m

What is the correct answer?

4

The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is

A. 200 meter

B. 225 meter

C. 245 meter

D. 250 meter

What is the correct answer?

4

Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time (in seconds) will they cross each other travelling in opposite direction?

A. 10

B. 12

C. 15

D. 20

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4

A train 800 metres long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:

A. 130

B. 360

C. 500

D. 540

What is the correct answer?

4

Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time which they take to cross each other, is

A. 9.8 seconds

B. 10.8 seconds

C. 11.8 seconds

D. 12.8 seconds

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4

A train travelling at 48 kmph completely crosses another train having half its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is-

A. 400 m

B. 450 m

C. 560 m

D. 600 m

What is the correct answer?

4

Length of a train is 130 meters and speed of train is 45 km/hour. This train can pass a bridge in 30 seconds, then find the length of the bridge.

A. 230 meters

B. 235 meters

C. 240 meters

D. 245 meters

What is the correct answer?

4

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. 23 m

B. 2329 m

C. 2779 m

D. 29 m

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4

Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is-

A. 9

B. 9.6

C. 10

D. 10.8