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CDS Model Paper 5 Mathematics

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Question : 18

Total: 100

A plane left 30 minutes later than the scheduled time and in order to reach the destination 1500‌km away in time, it had to increase the speed by 250‌km∕h from the usual speed. Find its usual speed.

720‌km∕h
740‌km∕h
730‌km∕h
750‌km∕h

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