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Trains

 1. Train A travelling at 126 km/hr speed, completely crosses train B in 9 seconds. Train Bis half the length of train A and is travelling at a speed of 90 km/hr in the opposite direction (towards train A). How much time will train A take to cross a platform of length 690 meters?
A) 35 seconds   B) 28 seconds
C) 25 seconds   D) 32 seconds
E) 30 seconds
Sol: Length of train A = 2x

Length of train B = x

Ans: E

2. Two trains each 210 meters long moving in opposite directions cross each other in 12 seconds. If one is moving thrice as fast as another. What is the speed of the slower train?
A) 8.75 m/s    B) 7.75 m/s
C) Cannot be determined
D) 7.65 m/s    E) None
Sol: Speed of one train = x
Speed of another train = 3x

Ans: A

3. Train A is travelling at a speed of 90 km/ hr in the direction towards train B. Length of train B is 1.5 times that of train A. Train B is travelling at a speed of 54 km/hr and crosses train A completely in 10 seconds. What is the length of a platform which train A can cross in 35 seconds? (In meters)
A) 730    B) 715    C) 720    D) 710    E) 725
Sol: Length of train A = x
Length of train B = 1.5x

Ans: B

4. A train having speed of 63 km/hr crosses a platform in 50 seconds. The length of train is 50% more than the length of platform. Find the length of the train. (In m.)
A) 525    B) 350    C) 875    D) 385    E) 625
Sol:


Ans: A

5. A train of length 690 m can cross a bridge of length ‘x’ m in 37 sec and train cross a pole in 23 sec then find the length of the bridge. (In m.)

A) 420    B) 350    C) 450    D) 390     E) 560

Sol: 

Ans: A

6. The length and speed of train M are x meters and 108 kmph. It crosses a platform that is 60% less than the length of the train M in 28 sec. If the train N crosses the same platform in 24 sec running at the speed of 90 kmph, then find the time taken by train M to crosstrain N running in the same direction? (In sec.)
A)191    B) 196    C) 192    D) 194    E) 198

Sol: length of train m : platform length

Ans: C

7. Train A can completely cross train B (from the moment they meet), travelling in opposite direction (towards each other), in 14 seconds. If the speed of trains A and B are 65 kmph and 52 kmph respectively and the length of train A is 71 m more than that of train B, what is the length of train A? (In m.)
A) 251    B) 228    C) 192    D) 275    E) 263
Sol: length of train B = x m
length of train A = x + 71 m

Ans: E

8. Train-L and Train-M cross each other in 18 sec (from the moment both trains meet) when travelling in the opposite direction. If the sum of theirs speeds is 54 km/hr and train L is 30 m shorter than train M. What is the L’s length (in m.)?
A) 180    B) 240    C) 120    D) 150    E) 160
Sol: length of train M = x m
length of train L = (x − 30) m

Ans: C

9. Two trains A and B are 720 km away and both of them start moving towards each other at the same time. After some time when A has travelled 400 km it meets train B. What is respective the ratio of the speed of train to that of B?
A) 4 : 5    B) 6 : 7    C) 9 : 8    D) 5 : 4    E) 1 : 9
Sol:

Ans: D

10. A train of length 450 m can cross a pole in 20 sec and crosses a bridge in 36 sec then find length of bridge. (In m)
A) 280    B) 130    C) 260    D) 360    E) 250
Sol: Train A crosses a pole in 20 sec

Train A crosses bridge in 36 sec

bridge length = 810 - 450

bridge length = 360m

Ans: D

11. Train running at 25 km/hr takes 18 seconds to pass a platform and it takes 12 seconds to pass a man walking at 5 km/hr in the opposite direction. Length of train in how much more than length of the platform? (in m)
A) 75 m    B) 95 m    C) 100 m
C) 25 m    E) 85 m
Sol: Train crosses a man in opposite direction in 20 seconds

Length of train = 100 m

train crosses platform in 18 seconds

platform length = 125 - 100

platform length = 25

train length - platform length = 100 - 25

                                                = 75m

Ans: A

12. Trains A and B take 16 sec (from the moment both trains meet) to cross each other while travelling in opposite directions. If the sum of their speeds is 25 m/sec and Train - B is 60 m shorter than train - A, what is train - A’s length? (In m.)
A) 280    B) 230    C) 260    D) 340    E) 250

Sol: Let length of train A = x m
Length of train B = x − 60
both trains crosses each other in 16 sec

Length of train A = 230 m

Ans: B

13. The ratio of length of train A to train B is 5 : 6 and time taken by train B to cross a pole is 50% more than the time taken by A to cross the same pole. If the sum of the speeds of the train A and B is 45 m/sec. Then find the speed of train A.
A) 42 m/sec    B) 25 m/sec    C) 30 m/sec
D) 28 m/sec    E) 32 m/sec

Sol: 

Ans: B

14. Train A is moving at a speed of 30 m/sec and crosses a pole in 15 sec. how long will it take to cross a train which is running in the opposite direction at 15/10 th of speed and
66 ¾ % of the length of train A? (In sec)
A) 10    B) 12    C) 18    D) 15    E) 20

Sol: Length of train A = 30 × 15 = 450 m

Ans: A    
 

Posted Date : 24-09-2022

గమనిక : ప్రతిభ.ఈనాడు.నెట్‌లో కనిపించే వ్యాపార ప్రకటనలు వివిధ దేశాల్లోని వ్యాపారులు, సంస్థల నుంచి వస్తాయి. మరి కొన్ని ప్రకటనలు పాఠకుల అభిరుచి మేరకు కృత్రిమ మేధస్సు సాంకేతికత సాయంతో ప్రదర్శితమవుతుంటాయి. ఆ ప్రకటనల్లోని ఉత్పత్తులను లేదా సేవలను పాఠకులు స్వయంగా విచారించుకొని, జాగ్రత్తగా పరిశీలించి కొనుక్కోవాలి లేదా వినియోగించుకోవాలి. వాటి నాణ్యత లేదా లోపాలతో ఈనాడు యాజమాన్యానికి ఎలాంటి సంబంధం లేదు. ఈ విషయంలో ఉత్తర ప్రత్యుత్తరాలకు, ఈ-మెయిల్స్ కి, ఇంకా ఇతర రూపాల్లో సమాచార మార్పిడికి తావు లేదు. ఫిర్యాదులు స్వీకరించడం కుదరదు. పాఠకులు గమనించి, సహకరించాలని మనవి.

 

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