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-

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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