the average of first 6 prime numbers which are between 60 and 90 is	Select the correct option:
A) 35.4 B) 42 C) 45.7 D) 57 E) 72.33

Rationale: explanation : first six prime numbers which are between 60 and 90 = 61 , 67 , 71 , 73 , 79 , 83 average = ( 61 + 67 + 71 + 73 + 79 + 83 ) / 6 = 72.33 answer : e
Answer: E