Average of first ten prime numbers which are odd is _____ ?

– by 0

A. 15.8
B. 17
C. 12.9
D. 13.8

The odd primes :-

3 , 5 , 7 , 11 , 13 , 17 , 19 , 23 , 29 , 31

Average = 3+5+7+11+13+17+19+23+29+31/10

= 158/10

= 15.8

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