### A library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per day in the month of June beginning with a Sunday?

A. 276 B. 280 C. 285 D. 250 Answer: Option C
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### Solution(By Apex Team)

If a month beings with Sunday then there are 5 Sundays in that month. Total number of visitors comes on Sunday = 510 × 5 = 2550 Total number of visitors come on other days = 240 × 25 = 6000 ∴ Average number of visitor per day $\begin{array}{l} =\Large\frac{2550+6000}{30} \\ =\Large\frac{8550}{30} \\ =285 \end{array}$

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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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