# An urn contains 6

Given: An urn contains 6 balls of which two are red, and four are black.

To Find: The probability that the balls are of different colours.

If the drawn two balls are of different colours, then one must be red, and another must be black.

To draw one red ball out of two, the probability is =

To draw one black ball out of four, the probability is =

To draw two balls out of six balls, the probability is =

So, the probability is = = =

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