Find the number of ways of selecting 9 balls from 6 red balls, 5 white balls and 5 blue balls if each selection consists of 3 balls of each colour.


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Question Number 32093 by NECx last updated on 19/Mar/18

$F i n d t h e n u m b e r o f w a y s o f$ $s e l e c t i n g 9 b a l l s f r o m 6 r e d b a l l s,$ $5 w h i t e b a l l s a n d 5 b l u e b a l l s i f$ $e a c h s e l e c t i o n c o n s i s t s o f 3 b a l l s$ $o f e a c h c o l o u r .$
	Answered by Joel578 last updated on 19/Mar/18

	$_{6} C_{3} ._{5} C_{3} ._{5} C_{3}$
	Commented by NECx last updated on 20/Mar/18

	$y e a h . T h a n k s$
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