Time and Speed
Trending Questions
Q. a man who has to walk 11km finds that in 30 mins he has travelled two-ninth of the remaining distance what is his speed
Q.
If a train runs at 40 kmph it reaches its destination late by 11 minutes. But if it runs at 50 kmph it is late by 5 minutes only. Find the distance covered by the train.
Q. Sunita walks to her school at a speed of 4 km per hour and takes 9 minutes to reach the school in time. One day she reached the school 3 minutes late. At what speed did she walk that day assuming that she did not start late from home.
Q. Excluding stoppages, the speed of a train is 45 km/hr and including stoppages it is 36 km/hr. For how many minutes does the train stop per hour?
- 12
- 18
- 15
- 10
Q. A naval ship can fire a torpedo at 200 mph every minute. If so, calculate the shortest time in which all three pirate ships shown in the image below will be hit. (Each rung in the graph represents a distance of 5 miles.)
(Calculate the time from the firing of the first torpedo to the hit of the last pirate ship.)
(Calculate the time from the firing of the first torpedo to the hit of the last pirate ship.)
- 4.5 minutes
- 9 minutes
- 6 minutes
- 7.5 minutes
Q.
How long will it take to drive 450 miles if you are driving at a speed of 50 miles per hour?
9 Hours
12.5 Hours
3.5 Hours
6 Hours
Q. A train 225 m long , travelling at a uniform speed of 54 km/hr. How much time will it take to pass a bridge 105 m long ?
- 22 sec
- 32 sec
- 20 sec
- 15 sec
Q. A driver varies the speed of the car proportional to the square root of the time taken. Is the speed of the car during forward motion a linear or a nonlinear function of the time taken?
- The given data is insufficient.
- Linear function
- The given relation is not a function.
- Nonlinear function
Q. A train passes two persons walking in the same direction at a speed of 3 km/hr and 5 km/hr respectively in 10 seconds and 11 seconds. The speed of the train is
- 28 km/hr
- 27 km/hr
- 25 km/hr
- 24 km/hr
Q. Hardish travels 600 km partly by train and partly by car. If she covers 120 km by train and rest by car, it takes her 8 hours. But if she travels 200 km by train and rest by car, she takes 20 minutes more. Find the speed of the train and car separately.
Q. A thief robs a house at 12 midnight and as soon as he leaves the house the house owner realises of the robbery in the house. After 10 minutes he rings the alert alarm and the security guards of the house start running after the thief to catch him. If the speed of the thief is 30 km/hr and that of the security guards is 20 km/hr, what time will the guards catch the thief ?
- 00.30 hrs
- 00.40 hrs
- Cannot be determined
- Never catch the thief
Q. A train takes 2 hours to travel from Ajmer to Jaipur, which are 130 km apart. How much time will it take to travel from Delhi to Bhopal which are 780 km apart if the train is travelling at the uniform speed.
Q. If 35 quintal of wheat cost Rs. 210, then find the cost of 1 quintal of wheat.
- Rs. 380
- Rs. 350
- Rs. 250
- Rs. 160
Q. Which of the following numbers are not divisible by 9?
36, 90, 157, 243, 514
36, 90, 157, 243, 514
- 157
- 243
- 36
- 90
Q. a man who has to walk 11km finds that in 30 mins he has travelled two-ninth of the remaining distance what is his speed
Q. A boat has a speed of 15m/hr in still water. In a stream that has a current of 5 m/hr it travels a certain distance downstream and returns. The ratio of the average speed for the round trip to the speed in still water is:
- 89
- 78
- 54
- 15
Q. Akash takes 30 min to reach his school from his home by walking at a constant speed if he walks at 3/5 of the orignal canstant speed then how much more time would he take to reach the school
Q. Two trains, one travelling 15km/hr faster than the other, leave the same station at the same time, one travelling east and the other west. At the end of 6 hours they are 570km apart. What are the speeds of each train?