JEE Main 2019MathematicsSequences And SeriesArithmetic ProgressionmediumMCQ

JEE Main 2019Sequences And Series Question with Solution

From: JEE Main 2019 (Online) 12th January Evening Slot

Question

If   nC4, nC5 and nC6 are in A.P., then n can be :

Choose an option

Show full solutionCorrect option: D
Correct answer
D14

Step-by-step explanation

2.nC5 = nC4 + nC6

2.



satisfying equation.

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About this question

This is a previous-year question from JEE Main 2019, covering the Sequences And Series chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.