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If 1/4Cn = 1/5Cn + 1/6Cn, then value of n is ........

+1 vote

asked Feb 19, 2019 in JEE by kratos

If 1/4Cn = 1/5Cn + 1/6Cn, then value of n is ........

(a) 3

(b) 4

(c) 0

(d) none of this

jee
jee mains
permutation and combination

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1 Answer

+4 votes

answered Jan 26, 2021 by kratos

Best answer

Correct option: (d) none of this

Explanation:

because n > 6 is not possible

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