Question

Find the medain of first fourty whole numbers​

Answer 1

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ANSWER♪

The f1st 40 whole no. are

0,1,2,3,4,5...........,39.

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Hence, n=40 which is even

Where, n is the number of the given number.

∴ median=

$\frac{1}{2} ( \frac{40}{2} {)}^{th} + (( \frac{40}{2} ) + 1 {)}^{th} term$

$= \frac{1}{2} ( \cancel{ \frac{40}{2} } {)}^{th} + ( \cancel{ \frac{40}{2}} + 1 {)}^{th}term$

$= \frac{1}{2} (20 {)}^{th} + (20) + {1}^{th} term$

$= \frac{1}{ \cancel 2} ( \cancel{20} {)}^{th} + {21}^{th} term$

$= (10 + 21)$

$= 31$

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♡Hence, the median of first 40 whole numbers is 31

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