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+1 vote
21.0k views
in Mathematics by (71.2k points)
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The least positive integer n for which n-1C5 + n-1C6 < nC7 is .......

(a) 14 

(b) 15 

(c) 16 

(d) 28

1 Answer

+1 vote
by (76.3k points)
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Best answer

correct option: (a) 14

Explanation:

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