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Weekly Problem 53 - 2009

Stage: 3 and 4 Challenge Level: Challenge Level:1
Sydney flew to Melbourne, Australia.The flying time to Melbourne, which is 11 hours ahead of Britain, was 21 hours. Sydney's flight left London at 11.30am on Tuesday. What time was it in Melbourne when Sydney's flight arrived?

This problem is taken from the UKMT Mathematical Challenges.

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