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12.Practice.Tests.for.the.SAT_2015-2016_1128p

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Section 21<br />

Practice Test Eight 677<br />

11. If <strong>the</strong> sum of three numbers is 27, what is <strong>the</strong><br />

average (arithmetic mean) of <strong>the</strong> three numbers?<br />

L<br />

M<br />

N<br />

(A) 0<br />

(B) 9<br />

(C) 12<br />

(D) 16<br />

(E) 18<br />

I<br />

I<br />

I<br />

I<br />

I<br />

I<br />

I<br />

I<br />

I<br />

I<br />

I<br />

p<br />

0<br />

B<br />

c<br />

Note: Figure not drawn to scale.<br />

A y+4 D<br />

12. In <strong>the</strong> figure above, two circles with <strong>the</strong> same area<br />

are inscribed in rectangle ABCD. If <strong>the</strong> area of<br />

<strong>the</strong> rectangle is 32, what is <strong>the</strong> area of one of <strong>the</strong><br />

circles?<br />

(A) 47t<br />

(B) 57t<br />

(C) 67t<br />

(D) 87t<br />

(E) l07t<br />

y<br />

14. If LP = 12 and <strong>the</strong> length of each side of<br />

parallelogram MNOP is 13, as shown in <strong>the</strong> figure<br />

above, what is <strong>the</strong> area of LNOP?<br />

(A) 162<br />

(B) 186<br />

(C) 199<br />

(D) 216<br />

(E) 229<br />

15. When <strong>the</strong> average (arithmetic mean) of a list of<br />

prices is multiplied by <strong>the</strong> number of prices, <strong>the</strong><br />

result is n. What does n represent?<br />

(A) The average of <strong>the</strong> prices<br />

(B) The number of prices<br />

( C) Half of <strong>the</strong> number of prices<br />

(D) The sum of <strong>the</strong> prices<br />

(E) Half of <strong>the</strong> sum of <strong>the</strong> prices<br />

B<br />

-1<br />

•E<br />

-1<br />

•C<br />

13. Which of <strong>the</strong> following points has coordinates<br />

(x, y) such that x-y< O?<br />

(A) A<br />

(B) B<br />

(C) C<br />

(D) D<br />

(E) E<br />

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