The mean of first $5$ natural numbers is:
The mean of first $5$ natural numbers is:
- $2$
- $3$
- $2.5$
- $5$
Solution
First $5$ natural numbers: $1,2,3,4,5$. Mean $= \dfrac{1+2+3+4+5}{5} = \dfrac{15}{5} = 3$.
Asked in: IMO
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