Question
An airplane flew 8000 km from Country U to Country V at a speed of 800 km/h. It then covered 6240 km from Country V to Country W at a speed of 780 km/h. Find the time taken for the whole journey.
2 m

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An airplane flew 8000 km from Country U to Country V at a speed of 800 km/h. It then covered 6240 km from Country V to Country W at a speed of 780 km/h. Find the time taken for the whole journey.