JEE Main 2013 — Sequences And Series Question with Solution
From: JEE Main 2013 (Offline)
Question
The sum of first 20 terms of the sequence 0.7, 0.77, 0.777,........,is
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Given sequence can be written as
up to terms
up to terms ]
Multiply and divide by
up to terms ]
up to terms ]
up to terms
up to terms ]
Multiply and divide by
up to terms ]
up to terms ]
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This is a previous-year question from JEE Main 2013, 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.