Walking at the rate of 4 kmph a man cover certain distance in 2 hr 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in.

• 12 min

• 25 min

• 40 min

• 60 min

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

• 4

• 6

• 8

• None of these

Two trains starting at the same time from 2 stations 200 km apart and going in opposite direction cross each other at a distance of 110 km from one of the stations. What is the ratio of their speeds?

• 11:9

• 7:3

• 18:4

• None of these

A train covers a distance in 50 min, if it runs at a speed of 48 kmph on an average. The speed at which the train must run to reduce the time of journey to 40 min will be.

• 45 kmph

• 60 kmph

• 75 kmph

• None of these

Sachin can cover a distance in 1hr 24 min by covering 2/3 of the distance at 4 kmph and the rest at 5 kmph. The total distance is?

• 5

• 6

• 7

• 8

A passenger train takes two hours less for a journey of 300 km if its speed is increased by 5 km/hr from its normal speed. The normal speed is:

• 35 km/hr

• 50 km/hr

• 25 km/hr

• 30 km/hr

A train covers a distance in 100 min, if it runs at a speed of 48kmph on an average. The speed at which the train must run to reduce the time of journey to 40 min will be:

• 30 kmph

• 50 kmph

• 80 kmph

• 120 kmph

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 and 11 km per hour respectively. What is the distance between them after 6 minutes?

• 100 m

• 150 m

• 190 m

• 200 m

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is

• 35.55 km/hr

• 36 km/hr

• 71.11 km/hr

• 71 km/hr

How long will a boy take to run round a square field of side 35 meters, If he runs at the rate of 9 km/hr?

• 50 sec

• 52 sec

• 54 sec

• 56 sec