Time, Speed and Distance, Boats and Streams - One Line Questions
1.
A man walks at a speed of 6 km/hr. How much distance will he cover in 20 minutes? —
2 km
2.
A boat goes downstream at 12 km/hr. If the speed of the boat in still water is 10 km/hr, what is the speed of the stream? —
2 km/hr
3.
Two trains start from the same point at the same time in the same direction. Their speeds are 60 km/hr and 70 km/hr. What is the distance between them after 1 hour? —
10 km
4.
A boat moves downstream at 16 km/hr. If the speed of the stream is 4 km/hr, what is the speed of the boat in still water? —
12 km/hr
5.
A train travels at a speed of 72 km/hr. What is its speed in meters per second? —
20 m/s
6.
A train takes 10 seconds to pass a telegraph pole and 20 seconds to pass a platform 200 meters long. What is the speed of the train? —
20 m/s
7.
A train crosses a platform in 20 seconds and a pole in 10 seconds. If the length of the train is 150 meters, what is the length of the platform? —
200 meters
8.
A train travelling at 60 km/hr crosses a man standing on the platform in 9 seconds. What is the length of the train? —
150 meters
9.
Two trains are running in opposite directions at speeds of 60 km/hr and 40 km/hr. They cross a man in 4 seconds and 5 seconds respectively. What is the sum of their lengths? —
200 meters
10.
A train travelling at 54 km/hr crosses a signal post in 10 seconds. What is the length of the train? —
150 meters
11.
A train travelling at 90 km/hr crosses a pole in 5 seconds. What is the length of the train? —
125 meters
12.
A boat can travel upstream at 10 km/hr and downstream at 20 km/hr. What is the speed of the boat in still water? —
15 km/hr
13.
A boat goes downstream at 18 km/hr. If the speed of the stream is 3 km/hr, what is the speed of the boat in still water? —
15 km/hr
14.
A train passes a man in 8 seconds and a platform 200 meters long in 12 seconds. What is the speed of the train? —
20 m/s
15.
Two trains of length 100m and 150m are running on parallel tracks with speeds of 40 km/hr and 50 km/hr respectively. In how much time will they cross each other if they are running in the same direction? —
18.2 seconds
16.
Two trains of lengths 100m and 120m are running in the same direction at speeds of 70 km/hr and 50 km/hr respectively. In how much time will they cross each other? —
16.36 seconds
17.
Two trains start from the same point at the same time in opposite directions. Their speeds are 50 km/hr and 70 km/hr. What is the distance between them after 1.5 hours? —
210 km
18.
A boat moves downstream at 12 km/hr and upstream at 8 km/hr. How long will it take to cover a distance of 40 km downstream? —
2.5 hours
19.
A person walks at 5 km/hr and cycles at 10 km/hr. In how much time will he cover a distance of 20 km if he walks for 1 hour and cycles for the remaining time? —
2.5 hours
20.
A boat travels 40 km downstream in 4 hours. If the speed of the boat in still water is 12 km/hr, what is the speed of the stream? —
5 km/hr
21.
A boat takes 6 hours to travel 48 km downstream. If the speed of the boat in still water is 10 km/hr, what is the speed of the stream? —
4 km/hr
22.
A boat moves upstream at 6 km/hr. If the speed of the boat in still water is 10 km/hr, what is the speed of the stream? —
4 km/hr
23.
Two trains start at the same time from two stations A and B towards each other. After crossing each other, they take 9 hours and 4 hours respectively to reach their destinations. What is the ratio of their speeds? —
2:3
24.
Two trains, A and B, running in opposite directions, pass a man in 7 seconds and 8 seconds respectively. They cross each other in 10 seconds. What is the ratio of their speeds? —
3:4
25.
Two trains, A and B, running in the same direction at speeds of 70 km/hr and 50 km/hr, pass a man in 6 seconds and 9 seconds respectively. In how many seconds will train A cross train B? —
27 seconds
26.
Two trains A and B are running in the same direction with speeds 50 km/hr and 30 km/hr. Train A passes a man in 6 seconds. How long will it take for train A to cross train B? —
27 seconds
27.
A person rows a boat at 10 km/hr in still water. If the speed of the stream is 2 km/hr, what is the time taken to cover 48 km downstream? —
4 hours
28.
A boat travels upstream a distance of 30 km in 6 hours. If the speed of the stream is 2 km/hr, what is the speed of the boat in still water? —
7 km/hr
29.
A boat travels 12 km upstream in 3 hours. If the speed of the stream is 1 km/hr, what is the speed of the boat in still water? —
5 km/hr
30.
A boat moves upstream at a speed of 10 km/hr and downstream at a speed of 20 km/hr. How far can the boat travel downstream in 3 hours? —
60 km
31.
A boat travels upstream at 8 km/hr and downstream at 12 km/hr. How far can the boat travel upstream in 5 hours? —
40 km
32.
A car travels the first 50 km at 25 km/hr and the next 50 km at 50 km/hr. What is the average speed for the entire journey? —
33.33 km/hr
33.
A train travelling at 45 km/hr crosses a bridge in 40 seconds. If the length of the train is 150 meters, what is the length of the bridge? —
300 meters
34.
A train passes a platform in 15 seconds and a pole in 5 seconds. If the length of the train is 200 meters, find the speed of the train. —
72 km/hr
35.
A man can row a boat at 15 km/hr in still water. If the speed of the stream is 5 km/hr, how long will it take him to cover 60 km upstream? —
6 hours
36.
A person walks a distance of 20 km in 4 hours. What is his speed in km/hr? —
5 km/hr
37.
Two trains of length 150m and 100m are running on parallel tracks with speeds of 60 km/hr and 40 km/hr respectively. In how much time will they cross each other if they are running in opposite directions? —
5.4 seconds
38.
A car travels from city A to city B at a speed of 40 km/hr and returns from city B to city A at a speed of 60 km/hr. What is the average speed for the entire journey? —
48 km/hr
39.
A train travelling at 72 km/hr crosses a bridge in 30 seconds. If the length of the train is 120 meters, what is the length of the bridge? —
480 meters
40.
A car travels from point P to Q at 40 km/hr and returns from Q to P at 60 km/hr. If the distance between P and Q is 120 km, what is the total time taken for the round trip? —
6 hours
41.
A person travels a certain distance at 3 km/hr and returns at 2 km/hr. If the total time taken is 5 hours, what is the distance? —
6 km
42.
A boat travels downstream at 15 km/hr and upstream at 5 km/hr. What is the speed of the stream? —
7.5 km/hr
43.
A boat can cover a distance of 16 km downstream in 2 hours. If the speed of the stream is 3 km/hr, find the speed of the boat in still water. —
7 km/hr
44.
A boat takes 5 hours to cover a distance of 40 km downstream. If the speed of the stream is 3 km/hr, what is the speed of the boat in still water? —
7 km/hr
45.
Two trains are running in the same direction with speeds of 50 km/hr and 30 km/hr. A man is standing between them. The faster train passes the man in 6 seconds, and the slower train passes the man in 9 seconds. What is the length of the faster train? —
100 meters
46.
A boat takes 3 hours to travel 30 km downstream. If the speed of the stream is 4 km/hr, what is the speed of the boat in still water? —
10 km/hr
47.
A boat takes 2 hours to travel 20 km downstream. If the speed of the stream is 3 km/hr, what is the speed of the boat in still water? —
7 km/hr
48.
A boat travels 36 km upstream in 3 hours. If the speed of the stream is 4 km/hr, what is the speed of the boat in still water? —
12 km/hr
49.
A train travelling at 60 km/hr crosses a signal post in 5 seconds. What is the length of the train? —
83.33 meters
50.
A train travelling at 72 km/hr crosses a tunnel in 50 seconds. If the length of the train is 150 meters, what is the length of the tunnel? —
850 meters