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# There are 10 points on a circle. A hexagon can be formed by linking 6

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There are 10 points on a circle. A hexagon can be formed by linking 6  [#permalink]

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06 Jul 2015, 11:22
1
2
00:00

Difficulty:

5% (low)

Question Stats:

88% (01:04) correct 12% (01:57) wrong based on 74 sessions

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There are 10 points on a circle. A hexagon can be formed by linking 6 of the 10 points. How many such hexagons are possible?

A. 60
B. 120
C. 200
D. 210
E. 600

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There are 10 points on a circle. A hexagon can be formed by linking 6  [#permalink]

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06 Jul 2015, 11:31
6 points can be selected out of 10 points in 10C6 ways

=10 !/6!*4!=210

Ans D
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Re: There are 10 points on a circle. A hexagon can be formed by linking 6  [#permalink]

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18 Aug 2018, 09:35
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Re: There are 10 points on a circle. A hexagon can be formed by linking 6   [#permalink] 18 Aug 2018, 09:35
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