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JEE Main 2022 · MathsNumerical answerNumerical valueMediumCalculation

JEE Main 25 June 2022, Shift 2, Maths Q25

Question 25 of 90 in this shift, Maths question 25 of 30, Section B.

If the mean deviation about the mean of the numbers 1, 2, 3, .....,

n

, where

n

is odd, is

\frac{5(n+1)}{n}

, then

n

is equal to ______________.

Official answer

21

NTA final key.

Chapter: Statistics
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

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.