BARB Distance Speed and Time 3

Question 1

A soldier walks 5 km at 4 km/h, then runs 10 km at 10 km/h. What is the total journey time?

Accepted Answer

2 hours 15 min

Answer

2 hours

Answer

1 hour 30 min

Answer

2 hours 30 min

Question 2

Vehicle A leaves at 09:00 travelling at 60 km/h. Vehicle B leaves the same point at 10:00 travelling at 90 km/h in the same direction. When does B catch A?

Accepted Answer

12:00

Answer

11:30

Answer

13:00

Answer

11:00

Question 3

A drone covers 450 km at 150 km/h. How long is the flight?

Accepted Answer

3 hours

Answer

4 hours

Answer

2.5 hours

Answer

3.5 hours

Question 4

A convoy averages 40 km/h for the first 2 hours and 60 km/h for the next 3 hours. What is the total distance?

Accepted Answer

220 km

Answer

250 km

Answer

260 km

Answer

260 km

Question 5

A soldier must cover 100 km. He cycles the first 40 km at 20 km/h and drives the remaining 60 km at 60 km/h. What is the total time?

Accepted Answer

2 hours

Answer

2 hours 30 min

Answer

3 hours

Answer

3 hours 30 min

Question 6

If a vehicle's speed is doubled, what happens to the time needed to cover the same distance?

Accepted Answer

Time is halved

Answer

Time doubles

Answer

Time is unchanged

Answer

Time increases by 50%