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In a horse race, four horses A, B, C, D run odds in favour of A, B, C, D are respective of 1 : 3, 1 : 4, 1: 5 and 1: 6. Find the probability that are one of them wins.

1 Answer

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Best answer

Let event to win horses A, B, C, D are E, F, G, H respectively.

Since only one is the winner

Thus, these are mutually exclusive events

∴ Required probability

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