### The average of the first nine prime numbers is-

A. 9 B. 11 C. $11 \Large\frac{1}{9}$ D. $11 \Large\frac{2}{9}$ Answer: Option C
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### Solution(By Apex Team)

\begin{aligned}&\text{ Average }=\\ &\left(\frac{2+3+5+7+11+13+17+19+23}{9}\right)\\ &=\frac{100}{9}\\ &=11\frac{1}{9}\end{aligned}

## Related Questions On Average

A. 20
B. 21
C. 28
D. 32
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A. 18
B. 20
C. 24
D. 30
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A. 10 years
B. 10.5 years
C. 11 years
D. 12 years
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### If the arithmetic mean of 0, 5, 4, 3 is a, that of -1, 0, 1, 5, 4, 3 is b and that of 5, 4, 3 is c, then the relation between a, b, and c is.

A. a = b = c
B. a : b : c = 3 : 2 : 4
C. 4a = 5b = c
D. a + b + c = 12
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