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Problems
Contests
National and Regional Contests
Turkey Contests
National Olympiad First Round
1998 National Olympiad First Round
3
3
Part of
1998 National Olympiad First Round
Problems
(1)
Divide set into 3 subsets
Source: 0
4/23/2009
How many ways are there to divide a set with 6 elements into 3 disjoint subsets?
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A
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90
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B
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105
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C
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120
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D
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180
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E
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243
<span class='latex-bold'>(A)</span>\ 90 \qquad<span class='latex-bold'>(B)</span>\ 105 \qquad<span class='latex-bold'>(C)</span>\ 120 \qquad<span class='latex-bold'>(D)</span>\ 180 \qquad<span class='latex-bold'>(E)</span>\ 243
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90
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B
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105
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C
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120
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D
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180
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E
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243