JEE Main 2021MathematicsMatricesMediumMCQ

JEE Main 2021 — Matrices Question with Solution

JEE Main 2021 (26 Aug Shift 2)

Question

Let A=100011100. Then A2025-A2020 is equal to

Choose an option

Show full solutionCorrect option: A
Correct answer
AA6-A

Step-by-step explanation

A=100011100

A2=100011100100011100=100111100A3=100111100100011100=100211100

A4=100311100

An=100n-111100

A2025-A2020=100202411100-100201911100=000500000=A6-A

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About this question

This is a previous-year question from JEE Main 2021, covering the Matrices 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.