Time-Speed-Distance-Train

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A train travelling at 48 km/hr crosses another train, having half its length and travelling in opposite direction at 42 km/hr, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the railway platform is…
200 m
no
300 m
no
350 m
no
400 m
yes
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A, B, and C start together from the same place to walk round a circular path of length 12 km. A walks at the rate of 4 km/hr,  B 3 km/hr and C 3/2 km/hr. They will meet together at the starting place at the end of…
10 hours
no
12 hours
no
15 hours
no
24 hours
yes
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A train, 150m long, passes a pole in 15 seconds and another train of the same length travelling in the opposite direction in 12 seconds. The speed of the second train is…
45 km/hr
no
48 km/hr
no
52 km/hr
no
54 km/hr
yes
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From two places, 60 km apart, A and B start towards each other at the same time and meet each other after 6 hours. Had A travelled with 2/3 of his speed and B travelled with double of his speed, they would have met after 5 hours. The speed of A is…
4 km/hr
no
6 km/hr
yes
10 km/hr
no
12 km/hr
no
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Two trains started at the same time, one from A to B and the other from B to A. If they arrived at B and A respectively 4 hours and 9 hours after they passed each other, the ratio of the speeds of the two trains was….
2: 1
no
3:2
yes
4 : 3
no
5 : 4
no
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A and B started at the same time from the same place for a certain destination. B walking at 5/6 of A’s speed reached the destination 1 hour 15 minutes after A. B reached the destination in…
6 hours 45 minutes
no
7 hours 15 minutes
no
7 hours 30 minutes
yes
8 hours 15 minutes
no
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A train, 300 m long, passed a man, walking along the line in the same direction at the rate of 3 km/hr in 33 seconds. The speed of the train is…
30 km/h
no
32 km/h
no
32 8/11 km/h
no
35 8/11 km/h
yes
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By walking at 3/4 of his usual speed, a man reaches his office 20 minutes later than his usual time. The usual time taken by him to reach his office is…
75 minutes
no
60 minutes
yes
40 minutes
no
30 minutes
no
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Two Buses start from a bus terminal with a speed of 20 km/hr at intervals of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at intervals of 8 minutes?
3 km/hr
no
4 km/hr
no
5 km/hr
yes
7 km/hr
no
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A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. The distance (in metres) between them after 6 minutes is…
190
no
200
no
100
yes
150
no
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