GMATBlr

OA is D.

Oa isnt A. Lets wait for a while to c if anyone else wd try,before I post the OA

A plane takes off from the hill at 750 meters above the sea level and lands some time later in a town located at 50 meters below the sea level. During the first part of its flight the plane gained height at a rate of 50 meters per minute but then it started to descend at a rate of 20 meters per minute. The duration of the first part of the flight was what percent of the total flight time? The duration of the descent is known The total flight time is known

Imo E

Imo E

Imo B

Imo B D C

Imo B

Imo E

IMo C

OA pls

thanks Hina

Imo C

Imo A

Imo C