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

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Section 81<br />

Practice Test Eleven<br />

967<br />

3. If <strong>the</strong> average (arithmetic mean) of 8 numbers<br />

is greater than 10 and less than 12, which of <strong>the</strong><br />

following could be <strong>the</strong> sum of <strong>the</strong> 8 numbers?<br />

c<br />

(A) 70<br />

(B) 80<br />

(C) 90<br />

(D) 100<br />

(E) 110<br />

4. The earth makes one complete rotation about<br />

its axis every 24 hours. Assuming it rotates at a<br />

constant rate, through how many degrees would<br />

Goannaville, Australia, rotate from 1 :00 PM on<br />

January 2 to 4:00 PM on January 3?<br />

(A) 202°<br />

(B) 250°<br />

(C) 350°<br />

(D) 363°<br />

(E) 405°<br />

5. If Sis <strong>the</strong> set of all numbers between -3.5 and<br />

3.5, inclusive, Tis <strong>the</strong> set of all prime numbers,<br />

and U is <strong>the</strong> set of all positive integers, <strong>the</strong>n <strong>the</strong><br />

intersection of S, T, and U contains how many<br />

elements?<br />

(A) 0<br />

(B) 1<br />

(C) 2<br />

(D) 3<br />

(E) More than 3<br />

6. Which of <strong>the</strong> following expressions must be<br />

positive <strong>for</strong> all values of a and b?<br />

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

7. In <strong>the</strong> equilatral triangle ACE above, AD and BE<br />

are line segments. Which of <strong>the</strong> following is NOT a<br />

right triangle?<br />

(A) ABF<br />

(B) ACD<br />

(C) ADE<br />

(D) APE<br />

(E) BCE<br />

8. The initial number of elements in a certain set is<br />

p, where p > 0. If <strong>the</strong> number of elements in <strong>the</strong><br />

set doubles every hour, which of <strong>the</strong> following<br />

represents <strong>the</strong> total number of elements in <strong>the</strong> set<br />

after exactly 24 hours?<br />

(A) 24p<br />

(B) 48p<br />

(C) 2p24<br />

(D) (2p)24<br />

(E) (224)p<br />

(A) a+ b<br />

(B) a2 -b2 +10<br />

(C) a2 + b2 + 1<br />

(D) a3 + b3 + 16<br />

(E) a4 + b2 + a2<br />

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