JEE Main 2025 — Binomial Theorem Question with Solution
From: JEE Main 2025 (Online) 28th January Evening Shift
Question
Let the coefficients of three consecutive terms , and in the binomial expansion of be in a G.P. and let be the number of all possible values of . Let be the sum of all rational terms in the binomial expansion of . Then is equal to:
Choose an option
Show full solutionCorrect option: B
283
Step-by-step explanation
No value of r possible
So
Exponent of exponent of term
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This is a previous-year question from JEE Main 2025, covering the Binomial Theorem 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.