JEE Main 2020 — Sequences And Series Question with Solution
From: JEE Main 2020 (Online) 5th September Morning Slot
Question
If , 14 and are the first three terms of an A.P. for some , then the sixth
terms of this A.P. is:
Choose an option
Show full solutionCorrect option: A
Correct answer
A66
Step-by-step explanation
Given that
Let = t
t = 81, 3
= 31, 34
, 2 (rejected)
First term a = = 30
a = 1
Given Second term = 14
Common difference d = 13
Let = t
t = 81, 3
= 31, 34
, 2 (rejected)
First term a = = 30
a = 1
Given Second term = 14
Common difference d = 13
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This is a previous-year question from JEE Main 2020, 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.