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Find the mean of the first five multiples of 3.
To do: Find the mean of first five multiples of 3
Solution:
To find the mean of the first five multiples of 3
The first five multiples of 3 are
3, 6, 9, 12, 15
Mean of these five numbers
= $\frac{3+6+9+12+15}{5}$
= $\frac{45}{5}$ = 9 Answer
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