Find the average of the prime numbers lying between 50 and 76.

Options
a) 64
b) 60
c) 66
d) 62

Solution

As per question
The prime numbers lying between 50 and 76 = 51 , 59 , 61 , 67 , 71 , 73
The average of the prime numbers lying = 53+59+61+67+71+73/6 = 384/6 = 64

Ans: a) 64