Time, Speed and Distance — Practice

Question 1

A speed of 54 km/h expressed in m/s is

Accepted Answer

B

Question 2

A man drives to town at 60 km/h and returns along the same road at 40 km/h. His average speed for the whole journey is

Accepted Answer

B

Question 3

A 150 m long train running at 54 km/h crosses an electric pole in

Accepted Answer

B

Question 4

A 240 m long train running at 72 km/h crosses a 360 m long platform in

Accepted Answer

C

Question 5

Two trains 120 m and 180 m long run at 42 km/h and 66 km/h towards each other. They will cross each other in

Accepted Answer

B

Question 6

A 100 m train at 72 km/h overtakes a 150 m train moving at 54 km/h in the same direction. The time taken to pass it completely is

Accepted Answer

C

Question 7

A boat travels at 10 km/h downstream and 6 km/h upstream. The speed of the stream is

Accepted Answer

B

Question 8

Walking at ¾ of his usual speed, a man reaches office 10 minutes late. His usual time to reach office is

Accepted Answer

C

Question 9

Travelling at 40 km/h a person reaches 10 minutes late; at 50 km/h he reaches 5 minutes early. The distance of his destination is

Accepted Answer

B

Question 10

A policeman spots a thief 200 m away. The thief runs at 10 km/h and the policeman chases at 12 km/h. The thief is caught after

Accepted Answer

B

Practice — Time, Speed and Distance