JEE Main 2002 — Sequences And Series Question with Solution
From: AIEEE 2002
Question
Sum of infinite number of terms of GP is 20 and sum of their square is 100. The common ratio of GP is
Choose an option
Show full solutionCorrect option: B
Correct answer
B3/5
Step-by-step explanation
Let first team of and common ratio of
Then is
Given
Also to
From
From we get
Then is
Given
Also to
From
From we get
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This is a previous-year question from JEE Main 2002, 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.