Find the average of all the prime number

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Home Questions MG9BJ5AP29

Target Exam

CUET

Subject

General Aptitude Test

Chapter

Numerical Ability

Question:

Find the average of all the prime numbers between 1 to 50.

Options:

24.9

28.9

21.9

29.9

Correct Answer:

21.9

Explanation:

⇒Prime nos. = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47

⇒ Average = \(\frac{(2+3+5+7+11+13+17+19+23+29+31+37+41+43+47)}{15}\)

= 21.9 (approx)