BARB Distance Speed and Time

Question 1

A soldier runs 12 kilometres at a constant speed of 6 km/h. How long does the run take?

Accepted Answer

2 hours

Answer

Time = Distance ÷ Speed = 12 ÷ 6 = 2 hours.

Question 2

A convoy travels for 3 hours at 50 km/h. What distance does it cover?

Accepted Answer

150 km

Answer

Distance = Speed × Time = 50 × 3 = 150 km.

Question 3

A patrol covers 90 km in 2 hours. What is its average speed?

Accepted Answer

45 km/h

Answer

Speed = Distance ÷ Time = 90 ÷ 2 = 45 km/h.

Question 4

Vehicle A travels at 60 km/h and Vehicle B travels at 40 km/h. Both start at the same point at the same time. After 2 hours, how far apart are they?

Accepted Answer

40 km

Answer

Vehicle A covers 120 km and Vehicle B covers 80 km, so they are 40 km apart.

Question 5

A soldier must travel 75 km and has 1.5 hours. What minimum speed is required?

Accepted Answer

50 km/h

Answer

Speed = Distance ÷ Time = 75 ÷ 1.5 = 50 km/h.

BARB - British Army Recruit Battery Practice Test