Advertisements
Advertisements
प्रश्न
A train 600 meters long is running at a speed of 90 kms/hr. If it crosses a tunnel in one minute, then the length of the tunnel is:
पर्याय
500 meters
550 meters
600 meters
900 meters
Advertisements
उत्तर
900 meters
Explanation:
Let the length of the tunnel is `l` m
ATQ,
`(90xx5)/18xx60=600+l`
`25xx60=600+l`
`l =1500 - 600 = 900` m
APPEARS IN
संबंधित प्रश्न
A watch which gains uniformly is 2 minutes slow at noon on Monday and is 4 minutes 48 seconds fast at 2 p.m on the following Monday. When was it correct?
A boat takes 3 hours to travel from place M to N downstream and back from N to M upstream. If the speed of the boat in still water is 4 km/hr, what is the distance between the two places?
Military camp is having the provisions for 300 people consuming 600 grams daily for 75 days. They are joined by 60 more men and the daily ration was reduced by 100 grams. How long will the provisions last approximately?
Amar is twice as fast as Rohit and Rohit is thrice as fast as Chanda is. The journey covered by Chanda in 42 minutes will be covered by Amar in
A streamer goes downstream from one port to another in 4 hours. It covers the same distance upstream in 5 hours. If the speed of the stream is 2 km/h, the distance between the two ports is
If a person walks at 14 km/h instead of 10 km/h, he would have walked 20 km more. The actual distance travelled by him is
Excluding stoppages, the speed of a bus is 54 km/h and including stoppages, it is 45 km/h. For how many minutes does the bus stop per hour?
A train can travel 50% faster than a car. Both start from point A at the same time and reach point B which is 75 km away from A at the same time. On the way. however, the train lost about 12.5 min while stopping at the stations. The speed of the car is
A person covers 40% of the distance from A to B at 8 km/ h, 40% of the remaining distance at 9 km/h and the rest at 12 km/h. His average speed (in km/h) for the journey is:
The length of a train and a platform is equal. The train at the speed of 90 km/hr crosses the platform in 1 minute. What is the length of platform?
