Question

The average of all odd numbers upto $100$ is:

• A. $49$
• B. $49.5$
• C. $50$
• D. $51$

Answer 1

Answer: (C)

$50$

An

Avg of all odd number up to 100 is given by

$S_{avg}=\frac{1+3+5+---+99}{50}$

$=\frac{(50{)}^2}{50}$

$S_{avg}=50$