Question

The average of first $4$ prime numbers is?

• A. $4$
• B. $4.25$
• C. $5$
• D. $6.25$

Answer 1

The correct option is B $4.25$

Average is the sum of the data values divided by the total values.

The first $4$ prime numbers are $2,3,5,7$

Therefore, average of first $4$ prime numbers $=\frac{2+3+5+7}{4}=\frac{17}{4}=4.25$