Question 66

What is the average of the first 14 positive even numbers?

Solution

The first 14 positive even numbers are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28.

Required average = $$\frac{first\ term+last\ term}{2}$$

= $$\frac{2+28}{2}$$

= $$\frac{30}{2}$$ 

= 15


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