JEE Main 2026MathematicsSequences and SeriesHardMCQ

JEE Main 2026Sequences and Series Question with Solution

JEE Main 2026 (24 January Shift 2)

Question

Let be an A.P. of four terms such that each term of the A.P. and its common difference are integers. If and , then the largest term of the A.P. is equal to

Choose an option

Show full solutionCorrect option: C
Correct answer
C27

Step-by-step explanation

Let the four terms be with common difference .
Sum is satisfied. Product condition:


Let :

(integer) or (rejected).
, . Terms: .
Largest term .

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About this question

This is a previous-year question from JEE Main 2026, 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.