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![[Post New]](/templates/default/images/icon_minipost_new.gif) 14 May 2008 22:21:09 IST
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A bag contains 3 black, 4 white and 2 red balls, all the balls being different. The number of selections opf at most 6 balls containing balls of all the colours is
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14 May 2008 22:26:02 IST
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First choose one ball each..
Now you have 1 black, 3 white and 2 red remaining. Out of which you can choose 0, 1, 2, or 3
0-> Only 1 way
1->3 ways(each colour)
2->1 black + 1w/r
2r
2w
w+r
Total of 7 ways
3->3w, 2r +w, 2r + b, r +b +w, r +2w, 2w + b. 6 ways..
Total of 17 ways
So answer is 17
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14 May 2008 23:07:06 IST
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not the correct answer try again
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14 May 2008 23:10:22 IST
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It's right.. I've only interchanged the red and the black from your question.. Is this a doubt or a question, btw? And what's you answer?
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14 May 2008 23:34:33 IST
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is the answer 984 ?
i think i have messed it but still.....
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14 May 2008 23:42:46 IST
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answer given is 1008
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15 May 2008 08:17:17 IST
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__________________________________________________________________________________________________________
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All that is gold does not glitter
Not all who wander are lost
The old that is strong does not wither,
Deep roots are not reached by frost.
From ashes a fire shall be woken
From shadows a light shall spring
Renewed shall be blade that's broken
The crown less again shall be king. |
this reply: 10 points
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