If a train runs at 40kmpm, it reaches its destination take by 11 minutes but if it runs at 50kmph.it is late by 5 minutes only. The correct time for the train to complete its journey.
13 min
15 min
21 min
In covering a certain distance, the speed of A and B are in the ratio of 3:4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is?
1 hour
1 1/2 hours
2 hours
2 1/2 hours
A car travels the first one third of a certain distance with a speed of 10km/hr, the next one third distance with a speed of 20km/hr, and the last one third distance with a speed of 60km/hr. The average speed of the car for the whole journey is?
24 km/hr
30 km/hr
36 km/hr
An aeroplane covers a certain distance at a speed of 240kmph in 5 hours. To cover the same distance in 1 2/3 hours, it must travel at a speed of?
300 km ph
360 km ph
600 kmph
720 kmph
A boy goes to his school from his house at a speed of 3km / hr and returns in speed of 2km/hr. If he takes 5 hours in going and coming,. The distance between his house and school is?
5 km
5.5 km
6 km
16.5 km
The distance between two cities A and B is 330km. A train starts from A at 8am and travels towards B at 60km/hr. Another train starts from B at 9am and travels towards. At at 75km/hr. A what time do they meet?
10.30 am
10 am
11 am
12 am
Bombay express left Chennai for Bombay at 14.30 hrs, travelling at a speed of 60kmph and Madras mail left Chennai for Bombay on the same day at16.30 hrs, travelling at a speed of 80 kmph. How far away from Chennai will the two trains meet