A plane left 30 minutes late than its scheduled time and in order to reach the destination 1500 km away in time, it had to increase its speed by 100 km/h from the usual speed. Find its usual speed.


Asked by Ppiyushsingh3 | 18th Feb, 2020, 11:33: AM

Expert Answer:

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Answered by Renu Varma | 19th Feb, 2020, 10:14: AM