Find the mean of first 10 prime numbers.

CUET Preparation Today

Start Free Mocks

Home Questions 923GMPEMTX

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Mean, Median and Mode

Question:

Find the mean of first 10 prime numbers.

Options:

12.5

12.9

13.9

Correct Answer:

12.9

Explanation:

First 10 prime numbers are = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29

Mean = $\frac{ sum \; of \; observations }{ number \; of \; observations }$

Mean = $\frac{ 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29}{ 10 }$

Mean = $\frac{ 129 }{ 10 }$

Mean = 12.9