D each statement alone is sufficient e statements(1

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Unformatted text preview: D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: ------------------------------------------------------------------------------------------------------------ 2 Q7: A certain university will select 1 of 7 candidates eligible to fill a position in the mathematics department and 2 of 10 candidates eligible to fill 2 identical positions in the computer science department. If none of the candidates is eligible for a position in both departments, how many different sets of 3 candidates are there to fill the 3 positions? A. 42 B. 70 C. 140 D. 165 E. 315 Answer: ------------------------------------------------------------------------------------------------------------ Q8: The points R , T, and U lie on a circle that has radius 4. If the length of arc RTU is 3 4 π , what is the length of line segment RU ? A. 3 4 B. 3 8 C. 3 D. 4 E. 6 Answer: ------------------------------------------------------------------------------------------------------------ Q9: For all integers n , the function f is defined by f ( n ) = a n , where a is a constant. What is the value of f (1)? (1) f (2) = 100 (2) f (3) = -1,000 A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: ------------------------------------------------------------------------------------------------------------ Q10: What is the value of ( x- y ) 4 ? (1) The product of x and y is 7. (2) x and y are integers. 3 A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: ------------------------------------------------------------------------------------------------------------ Q11: Mary persuaded n friends to donate $500 each to her election campaign, and then each of these n friends persuaded n more people to donate $500 each to Mary’s campaign. If no one donated more than once and if there were no other donations, what was the value of n ? (1) The first n people donated 16 1 of the total amount donated. (2) The total amount donated was $120,000. A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient....
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D EACH statement ALONE is sufficient E Statements(1 and(2...

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