Model 1 Train Vs Train in same direction Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

A constable is 114 metres behind a thief. The constable runs 21 metres and the thief runs 15 metres in a minute. In what time will the constable catch the thief ?

a) 18 minutes

b) 17 minutes

c) 16 minutes

d) 19 minutes

Question : 2

Two trains are running with speed 30 km/hr and 58 km/hr in the same direction. A man in the slower train passes the faster train in 18 seconds. The length (in metres) of the faster train is :

a) 100

b) 128

c) 140

d) 70

Question : 3

Two trains, of same length, are running on parallel tracks in the same direction with speed 60 km/hour and 90 km/hour respectively. The latter completely crosses the former in 30 seconds. The length of each train (in metres) is

a) 150

b) 100

c) 115

d) 125

Question : 4

A constable follows a thief who is 200 m ahead of the constable. If the constable and the thief run at speed of 8 km/hour and 7 km/hour respectively, the constable would catch the thief in

a) 12 minutes

b) 15 minutes

c) 20 minutes

d) 10 minutes

Question : 5

A bus moving at a speed of 45 km/hr overtakes a truck 150 metres ahead going in the same direction in 30 seconds. The speed of the truck is

a) 24 km/hr

b) 25 km/hr

c) 28 km/hr

d) 27 km/hr

Question : 6

A thief is stopped by a policeman from a distance of 400 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of policeman as 9 km/h, how far the thief would have run, before he is over taken by the policeman ?

a) 600 metre

b) 500 metre

c) 300 metre

d) 400 metre