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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

If

{ }^n C_4,{ }^n \mathrm{C}_5

and

{ }^n C_6

are in A.P., then a value of

n

can be

View answer and explanation

Correct option: B

7

Option B (7) is correct because it satisfies the condition that

{ }^n C_4,{ }^n C_5

and

{ }^n C_6

are in A.P., leading to the solution n=7 or n=14.

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