the average of first 10 prime numbers which are odd is ? Choose the correct choice.
A) 22.2
B) 22.1
C) 15.3
D) 15.8
E) 14.6

Rationale: explanation : sum of first 10 prime no . which are odd = 158 average = 158 / 10 = 15.8 answer : d
Answer: D