Combination and Permutation | ParikshaChakra

क्रमचय और संचय
Combination and Permutation

Question 9 of 36

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Question 9

nC10 = nC12 है, तो n का मान क्या होगा?

A. (a) 12

B. (b) 10

C. (c) 2

D. (d) 22

Explanation nCr = nCy होने पर n = x + y होता है। अतः n = 10 + 12 = 22।

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