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JEE PYQ: Statistics Question 18

Question 18 - 2020 (07 Jan Shift 1)

If the variance of the first $n$ natural numbers is 10 and the variance of the first $m$ even natural numbers is 16, then $m + n$ is equal to ____.

Show Answer

Answer: 18

Solution

$n = 11$, $m = 7$. $m+n = 18$.


Learning Progress: Step 18 of 36 in this series