What is the average of prime numbers between 12 and 25?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 18.
Prime number between 12 to 25 = 13, 17, 19, 23
Average = Sum of the observations/Total observations
Average = (13 + 17 + 19 + 23)/4 = 72/4 = 18