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In how many ways 9 identical marbles can be placed in 3 identical boxes?

1 Answer

Since both the marbles and boxes are identical, the arrangement
order is not considered.
Only combinations of 3 numbers whose total is 9 are to be counted.
There are 12 such combinations.
$\therefore$ The required no. of ways = 12
answered Sep 3, 2013 by rvidyagovindarajan_1

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