Question

The given graph shows the flight of an aeroplane.


How long was the plane in level flight?

• A. 70 minutes
• B. 40 minutes
• C. 30 minutes
• D. 90 minutes

Answer 1

The correct option is A 70 minutes

From the graph we can be see that, the aeroplane in level flight from first 10 minutes to 50 minutes and from 70 minutes to 100 minutes.

So, total time the plane in level flight
= (50-10)+(100-70)
= 40 + 30
= 70 minutes