The average of all prime numbers between 32 and 69 is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 51.
all prime numbers between 32 and 69 = 37, 41, 43, 47, 53, 57, 59, 61, 67
Add all the prime numbers = 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 = 408
The average is the sum of the numbers divided by the count:
Average = 408/8 = 51