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Saturday, 31 October

JEE Main 2021 · MathsNumerical answerNumerical valueHardMulti-step

JEE Main 22 July 2021, Shift 2, Maths Q88

Question 88 of 90 in this shift, Maths question 28 of 30, Section B.

The number of elements in the set {n∈{1,2,3,..........,100}∣(11)n>(10)n+(9)n}\{\mathrm{n}\in\{1, 2, 3, .........., 100\}\mid(11)^\mathrm{n}>(10)^\mathrm{n}+(9)^\mathrm{n}\} is ________.

Official answer

96

NTA final key.

Topic
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Idea tested
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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.