Q16 is x v 8 1 v and x are integers 2 v 4 and x 6 5 a

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Q16: Is x v - < 8? (1) v and x are integers. (2) v = 4 and x = 6 5
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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: ------------------------------------------------------------------------------------------------------------ Q17: A certain list consists of 21 different numbers. If n is in the list and n is 4 times the average (arithmetic mean) of the other 20 numbers in the list, then n is what fraction of the sum of the 21 numbers in the list? 1 1 1 4 5 ------------------------------------------------------------------------------------------------------------ Q18: If wz < 2, is z < 1? (1) w > 2 (2) z < 2 ------------------------------------------------------------------------------------------------------------ Q19: In a certain region, the number of children who have been vaccinated against rubella is twice the number who have been vaccinated against mumps. The number who have been vaccinated against both is twice the number who have been vaccinated only against mumps. If 5,000 have been vaccinated against both, how many have been vaccinated only against rubella? 6
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------------------------------------------------------------------------------------------------------------ Q20: In the sequence 1, 2, 4, 8, 16, 32, …, each term after the first is twice the previous term. What is the sum of the 16th, 17th, and 18th terms in the sequence? A. 2 18 B. 3(2 17 ) C. 7(2 16 ) D. 3(2 16 ) E. 7(2 15 ) Answer: ------------------------------------------------------------------------------------------------------------ Q21: At a garage sale, all of the prices of the items sold were different. If the price of a radio sold at the garage sale was both the 15th highest price and the 20th lowest price among the prices of the items sold, how many items were sold at the garage sale? ------------------------------------------------------------------------------------------------------------ Q22: m u º w º n Lines m and n intersect, as shown in the figure above. What is the value of u - w ? (1) u = 90 (2) Lines m and n are perpendicular. 7
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