What is the average of 6 consecutive odd numbers starting from 15?

Question

Accepted Answer

1. The six odd numbers are: $15,17,19,21,23,25$.
2. For equally spaced numbers, the average is $\frac{	ext{first} + 	ext{last}}{2}$.
3. Compute $\frac{15+25}{2}=\frac{40}{2}=20$.
4. So the average is $20$.

FINAL_ANSWER: b

Answer

Answer

Answer