Question

Q. 4. Solve any two of the following subquestions :
(i) If the speed of an aeroplane is decreased by 120 km/h, it takes 18 minutes more
to travel some distance. If the speed is increased by 180 km/h, it takes 18 minutes
less to travel the same distance. Find the average speed of the aeroplane and the
distance.​

Answer 1

$\huge{\underline{\mathscr{\purple {thanks }}}}$