SSC GD 2023 PYQ — Question 50

SSC GD Constable (English) - 30 Jan 2023 - Shift 2 • Quantitative Aptitude • Q50

The average of the first five prime numbers is:

Show answer & explanation

Correct answer: B

Explanation

The correct answer is Option 2 i.e. 5.6.

First five prime numbers = 2, 3, 5, 7, 11

We know that,

Average = Sum of observations/Number of observations

⇒ (2 + 3 + 5 + 7 + 11)/5

⇒ 28/5 = 5.6