BARB Distance Speed and Time 2

Question 1

A truck travels 240 km in 4 hours. What is its average speed?

Accepted Answer

60 km/h

Answer

Speed = 240 ÷ 4 = 60 km/h.

Question 2

A soldier jogs at 8 km/h for 45 minutes. How far does he travel?

Accepted Answer

6 km

Answer

45 minutes = 0.75 hours; Distance = 8 × 0.75 = 6 km.

Question 3

Two vehicles head toward each other. Vehicle X is 180 km away and travels at 60 km/h; Vehicle Y travels at 30 km/h. When do they meet?

Accepted Answer

2 hours

Answer

Combined speed = 90 km/h; Time = 180 ÷ 90 = 2 hours.

Question 4

A helicopter flies 300 km in 1.5 hours. What is its speed?

Accepted Answer

200 km/h

Answer

Speed = 300 ÷ 1.5 = 200 km/h.

Question 5

A patrol departs at 08:00 and must arrive 120 km away by 10:00. What speed is required?

Accepted Answer

60 km/h

Answer

Available time = 2 hours; Speed = 120 ÷ 2 = 60 km/h.

BARB - British Army Recruit Battery Practice Test