Question
Mathematics Question on Time Speed and Distance
A plane left 30 minutes later than the scheduled time and in order to reach the destination 1500 km away in time, it had to increase the speed by 250 km/hr from the usual speed. Find its usual speed.
A
720 km/hr
B
740 km/hr
C
730 km/hr
D
750 km/hr
Answer
750 km/hr
Explanation
Solution
The correct option is (D) : 750 km/hr