Question

On times	X$\%$
Up to 15 minutes delayed	43$\%$
15-30 minutes delayed	17$\%$
30-60 minutes delayed	12$\%$
More than 60 minutes delayed	3$\%$
The chart above describes departures from a certain airport on a certain day. If 1,200 flights were delayed, how many flights departed on time?

• A. 350
• B. 300
• C. 250
• D. 400

Answer 1

Answer: (D)

400

Answer 2

as per graph 75$\%$ delayed so 25$\%$ were on time..
given that 75$\%$=1200 ..
so 25$\%$ =400..
The correct option is (D): 400