MATHS MCQ

A car covers 108 km in first two hours and 90 km in the next one hour. Its average speed is

A cyclist covers 175 metres in 25 seconds. What is his speed in km per hour?

A car is moving at a speed of 48 km/hr. How many metres will it travel in 15 minutes?

An athlete runs at 30 km/hr. In how much time will he run a race of 200 metres?

A car is moving with a speed of 90 km/hr. Its speed in m/sec is

To convert a speed of km/hr into m/sec, we multiply it by

Which of the following is correct?

A man decided to cover a distance of 6 km in 84 minutes. He decided to cover two-thirds of the distance at 4 km/hr and the remaining at some different speed. His speed after the two-thirds distance has been covered is:

A car covers 108 km in the first two hours and 90 km in the next one hour. Its average speed is:

A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km/hr and 11 km/hr respectively. The distance between them after 6 minutes is:

Sound waves travel at 300 m/s. Sound produced at a point is heard by a person after 5 seconds, while the same sound is heard by another person after 6 seconds. What could be the maximum and minimum distance between the two persons?

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is :