Average of all prime numbers between 30 to 50  Choose the correct choice from the following answers:
A) 37 B) 37.8 C) 39 D) 39.8 E) None of these
Explanation:   Prime numbers between 30 and 50 are:   31, 37, 41, 43, 47   Average of prime numbers between 30 to 50 will be   (31+37+41+43+475)=1995=39.8   Answer: Option 39.8
<result>D</result>
Average of all prime numbers between 30 to 50