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A and B run a 1 km race. If A gives B a start of 50m, A wins by 14 seconds and if A gives

A and B run a 1 km race. If A gives B a start of 50m, A wins by 14 seconds and if A gives B a start of 22 seconds, B wins by 20 meters. Find the time taken by A to run 1 km.

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