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An aeroplane takes 1 hr less for a journ...

An aeroplane takes 1 hr less for a journey of of 1200 km if its speed increased by 100 km/hr from its usual speed its usual speed its usual speed is

A

300 km/hr

B

290 km/hr

C

280 km/hr

D

270 km/hr

Text Solution

Verified by Experts

The correct Answer is:
C
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