Question

A plane Left 30 min late than its scheduled time and in order to reach the destinations 1500 km away in time, it had to increase it speed by 100 km/h from the usual speed.find its usual speed. (please find the correct answer)

Answer 1

500 km per hour.......

Answer 2

by calculation of mine I got 881km/hr if it is right then tell me if its not then please tell me