DU Recruitment Practice Quiz

Question 1

A car travels 150 km in 3 hours. At the same speed, how much distance will it cover in 5 hours?

Accepted Answer

250 km

Question 2

A man walks at 6 km/h. How much time will he take to cover 15 km?

Accepted Answer

2.5 hours

Question 3

A boat goes 30 km downstream in 2 hours and returns the same distance upstream in 3 hours. What is the speed of the stream?

Accepted Answer

2.5 km/h

Question 4

A train running at 72 km/h crosses another train of equal length running in the opposite direction at 54 km/h in 12 seconds. What is the length of each train?

Accepted Answer

210 m

Question 5

A person covers a certain distance at 40 km/h and returns over the same route at 60 km/h. What is his average speed for the whole journey?

Accepted Answer

48 km/h