BARB Distance Speed and Time 2 — Questions and Answers
Question 1: A truck travels 240 km in 4 hours. What is its average speed?
- 50 km/h
- 55 km/h
- 70 km/h
- 60 km/h (Correct answer)
Correct answer: 60 km/h
Speed = 240 ÷ 4 = 60 km/h.
Question 2: A soldier jogs at 8 km/h for 45 minutes. How far does he travel?
- 5 km
- 7 km
- 6 km (Correct answer)
- 4 km
Correct answer: 6 km
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?
- 3 hours
- 2 hours (Correct answer)
- 4 hours
- 1.5 hours
Correct answer: 2 hours
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?
- 150 km/h
- 250 km/h
- 200 km/h (Correct answer)
- 180 km/h
Correct answer: 200 km/h
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?
- 50 km/h
- 70 km/h
- 80 km/h
- 60 km/h (Correct answer)
Correct answer: 60 km/h
Available time = 2 hours; Speed = 120 ÷ 2 = 60 km/h.
Question 6: A supply runner travels at 80 km/h for 30 minutes. How far does he go?
- 40 km (Correct answer)
- 30 km
- 50 km
- 20 km
Correct answer: 40 km
30 minutes = 0.5 hours; Distance = 80 × 0.5 = 40 km.
BARB Distance Speed and Time 2
A truck travels 240 km in 4 hours.
What is its average speed?