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- A plane left 30 minutes later than the scheduled time and in order to reach its destination
. A plane left 30 minutes later than the scheduled time and in order to reach its destination
1500 km away in time it has to increase its speed by 250 km/hr from its usual speed. Find its usual speed
Best Answer
Sol: Let usual speed of Aeroplane = x km/hr
Total distance = 1500 km
Scheduled time = 1500/x hr
Increased speed = (x + 250) km/hr
Changed time = 150/x+250 hr
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