Permutations and Combinations (KVPY Stream-SA (Class 11) Math): Questions 6 - 6 of 6

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Question number: 6

» Permutations and Combinations » Simple Applications

MCQ▾

Question

If n C r-1 = 165, n C r = 330, and n C r + 1 = 462; than value of n and r respectively –

Choices

Choice (4) Response
a.

n=11,r=4

b.

n=10,r=3

c.

n=9,r=3

d.

n=8,r=1

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