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5 red balls and 4 black balls of differe...

5 red balls and 4 black balls of different sizes are arranged in a row at random. The probability that no two balls of the same colour come together is

A

`1//126`

B

`5//14`

C

`5//42`

D

`1//21`

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1A
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