Find the average of the prime numbers lying between 51 and 77.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 64.
The prime number between 51 and 77 = 53, 59, 61, 67, 71, 73
There are 6 prime numbers between them
So,
The sum of these prime numbers = 53 + 59 + 61+ 67 + 71 + 73 = 384
Hence,
The required average = 384/6 = 64