Find the average of the first four prime numbers greater than10
A
20
B
19
C
17
D
15
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
First four prime numbers greater than 10 are 11, 13, 17, 19
The average \(= \frac{11+13+17+19}{4}=15\)
Source: Myschool Past Questions Archive (Record #26649)