JEE Main 2026 — Sequences and Series Question with Solution
JEE Main 2026 (22 January Shift 1)
Question
If the sum of the first four terms of an A.P. is 6 and the sum of its first six terms is 4, then the sum of its first twelve terms is
Choose an option
Show full solutionCorrect option: A
Correct answer
A-22
Step-by-step explanation
...(i)
...(ii)
(ii) (i): .
From (i): .
.
...(ii)
(ii) (i): .
From (i): .
.
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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.