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.........................................đỀ TIẾNG ANH. TIẾNG VIỆT MÌNH SƯU TẦM ĐƯỢC NHIỀU NHƯNG CẦN ÍT THỜI GIAN BIÊN SOẠN LẠI........................................................................................................................................................................
SET ONE PART I -Q1: A grocer has 400 pounds of coffee in stock, 20 percent of which is decaffeinated If the grocer buys another 100 pounds of coffee of which 60 percent is decaffeinated, what percent, by weight, of the grocer’s stock of coffee is decaffeinated? A B C D E 28% 30% 32% 34% 40% -Q2: If different representatives are to be selected at random from a group of 10 employees and if p is the probability that both representatives selected will be women, is p > ? (1) More than of the 10 employees are women (2) The probability that both representatives selected will be men is less than 10 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 -Q3: If the population of a certain country is 120,256,000 and its land area is 2,998,000 square kilometers, then the population per square kilometer is closest to which of the following? A B C D E 20 40 60 -Q4: 4.8(10 ) = 1.6(10 ) A B C D E 30(105) [3(10)]6 305 30(106) 3(1012) Q5: If vmt 0, is v2m3t-4 > 0? (1) m > v2 (2) m > t-4 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 -Q6: B x y A C z D In the figure shown, line segment AD is parallel to line segment BC What is the value of x? (1) y = 50 (2) z = 40 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 Q7: A certain university will select of candidates eligible to fill a position in the mathematics department and of 10 candidates eligible to fill 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 candidates are there to fill the positions? A B C D E 42 70 140 165 315 -Q8: 4π The points R, T, and U lie on a circle that has radius If the length of arc RTU is , what is the length of line segment RU? A B C D E 3 -Q9: For all integers n, the function f is defined by f (n) = an, 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 -Q10: What is the value of (x - y)4? (1) The product of x and y is (2) x and y are integers 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 -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 of the total amount donated 16 (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 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 Q12: When n liters of fuel was added to a tank that was already full, the tank was filled to of its capacity In terms of n, what is the capacity of the tank, in liters? A B C D E 10 3 n n n n n -Q13: If n is a positive integer, what is the remainder when 38n+3 + is divided by 5? A B C D E -Q14: Of all the students in a certain dormitory, are first-year students and the rest are second-year students If of the first-year students have not declared a major and if the fraction of second-year students who have declared a major is times the fraction of first-year students who have declared a major, what fraction of all the students in the dormitory are second-year students who have not declared a major? A B C D E 15 15 -Q15: If p is the product of the integers from to 30, inclusive, what is the greatest integer k for which 3k is a factor of p? A B C D E 10 12 14 16 18 -Q16: If x and y are positive, is x3 > y? (1) x > y (2) x > y 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 -Q17: x y If x, y, and k are positive numbers such that ( )(10) + ( )(20) = k and if x < y, x+ y x+ y which of the following could be the value of k? A B C D E 10 12 15 18 30 -Q18: What is the value of the integer k? (1) k + > (2) k4 ≤ 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 -Q19: Each of the 30 boxes in a certain shipment weighs either 10 pounds or 20 pounds, and average (arithmetic mean) weight of the boxes in the shipment is 18 pounds If the average weight of the boxes in the shipment is to be reduced to 14 pounds by removing some of the 20-pound boxes, how many 20-pound boxes must be removed? A B C D E 10 20 24 -Q20: Tom, Jane, and Sue each purchased a new house The average (arithmetic mean) price of the three houses was $120,000 What was the median price of the three houses? (1) The price of Tom’s house was $110,000 (2) The price of Jane’s house 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 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 -Q21: The results of a certain experiment included data values that were all multiples of the same number c, namely, c, 8c, 2c, 5c, 4c, and 4c Was the average (arithmetic mean) of the data values greater than 8? (1) c < (2) c > 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 -Q22: x w y z What is the value of x + y in the figure above? (1) w = 95 (2) z = 125 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 -Q23: The age of the Earth is approximately 1.3 × 1017 seconds, and one year is approximately 3.2 × 107 seconds Which of the following is closest to the age of the Earth in years? A B C D E 2.5 4.1 1.9 2.5 4.1 × × × × × 109 109 1010 1011 1011 -Q24: Four staff members at a certain company worked on a project The amounts of time that the four staff members worked on the project were in the ratio to to to If one of the four staff members worked on the project for 30 hours, which of the following CANNOT be the total number of hours that the four staff members worked on the project? A B C D E 80 96 160 192 240 -Q25: If the sequence x1, x2, x3, …, xn, … is such that x1 = and xn+1 = 2xn – for n 1, then x20 – x19 = A B C D E 219 220 221 220 - 221 - -Q26: If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k? (1) The tens digit of k + is (2) The tens digit of k + is 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 -Q27: 2+2 × 3+3 × 4= A B C D E 20 24 40 60 96 -Q28: Three printing presses, R, S, and T, working together at their respective constant rates, can a certain printing job in hours S and T, working together at their respective constant rates, can the same job in hours How many hours would it take R, working alone at its constant rate, to the same job? A B C D E 10 12 15 20 -Q29: If y is the smallest positive integer such that 3,150 multiplied by y is the square of an integer, then y must be A B C D E 14 -Q30: The total cost of an office dinner was shared equally by k of the n employees who attended the dinner What was the total cost of the dinner? (1) Each of the k employees who shared the cost of the dinner paid $19 (2) If the total cost of the dinner had been shared equally by k + of the n employees who attended the dinner, each of the k + employees would have paid $18 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 -Q31: Three of the four vertices of a rectangle in the xy-coordinate plane are (-3, 10), (2, 10), and (2, 1) What is the fourth vertex? A B C D E (-3, 1) (-3, 2) (-2, 10) (2, -3) (3, 10) -Q32: r u x s v y t w z Each of the letters in the table above represents one of the numbers 1, 2, or 3, and each of these numbers occurs exactly once in each row and exactly once in each column What is the value of r? (1) v + z = (2) s + t + u + x = 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 A the average length of stay is longer at the largest hotel in Harristown than it is at the Royal Arms Hotel B there is only one hotel in Harristown that is larger than the Royal Arms Hotel C more tourists stay in hotels in Harristown than stay in the Royal Arms Hotel D the Royal Arms Hotel is the largest hotel in Springfield E the Royal Arms Hotel is the only hotel in Springfield Answer: -Q40: In response to viral infection, the immune systems of mice typically produce antibodies that destroy the virus by binding to proteins on its surface Mice infected with a herpesvirus generally develop keratitis, a degenerative disease affecting part of the eye Since proteins on the surface of cells in this part of the eye closely resemble those on the herpesvirus surface, scientists hypothesize that these cases of keratitis are caused by antibodies to herpesvirus Which of the following, if true, gives the greatest additional support to the scientists’ hypothesis? A Other types of virus have surface proteins that closely resemble proteins found in various organs of mice B There are mice that are unable to form antibodies in response to herpes infections, and these mice contract herpes at roughly the same rate as other mice C Mice that are infected with a herpesvirus but not develop keratitis produce as many antibodies as infected mice that develop keratitis D There are mice that are unable to form antibodies in response to herpes infections, and these mice survive these infections without ever developing keratitis E Mice that have never been infected with a herpesvirus can sometimes develop keratitis Answer: -Q41: In April 1997, Hillary Rodham Clinton hosted an all-day White House scientific conference on new findings that indicates a child’s acquiring language, thinking, and emotional skills as an active process that may be largely completed before age three K that indicates a child’s acquiring language, thinking, and emotional skills as L that are indicative of a child acquiring language, thinking, and emotional skills as M to indicate that when a child acquires language, thinking, and emotional skills, that it is N indicating that a child’s acquisition of language, thinking, and emotional skills is O indicative of a child’s acquisition of language, thinking, and emotional skills as Answer: KEYS -SET1 Maths Answer: A E D A D A E D B 10 C 11 D 12 D 13 E 14 B 15 C 16 E 17 D 18 B 19 D 20 B 21 B 22 C 23 B 24 D 25 A 26 A 27 A 28 E 29 E 30 C 31 A 32 D 33 E 34 A 35 E 36 E 37 A Verbal Answer: D E B C E E B A E 10 D 11 B 12 C 13 D 14 A 15 A 16 C 17 E 18 E 19 C 20 B 21 E 22 E 23 B 24 D 25 C 26 B 27 B 28 D 29 B 30 C 31 A 32 E 33 D 34 B 35 C 36 B 37 E 38 B 39 C 40 D 41 C SET Maths Answers: 1✺ B 2✺ C 3✺ C 4✺ E 5✺ C 6✺ D 7✺ E 8✺ E 9✺ D 10 ✺ B 11 ✺ A 12 ✺ E A 13 ✺ 14 ✺ E 15 ✺ E 16 ✺ E 17 ✺ E 18 ✺ D 19 ✺ A 20 ✺ C 21 ✺ E 22 ✺ D D 23 ✺ 24 ✺ D 25 ✺ B 26 ✺ B 27 ✺ B 28 ✺ D 29 ✺ D 30 ✺ D 31 ✺ A 32 ✺ B 33 ✺ C 34 ✺ A 35 ✺ E 36 ✺ B 37 ✺ B Verbal Answers: 1✺ B 2✺ A 3✺ D 4✺ B 5✺ B 6✺ E 7✺ C 8✺ E 9✺ B 10 ✺ B 11 ✺ D 12 ✺ C D 13 ✺ 14 ✺ E 15 ✺ E 16 ✺ C 17 ✺ B 18 ✺ C 19 ✺ E 20 ✺ (B?)E 21 ✺ C 22 ✺ D E 23 ✺ 24 ✺ E 25 ✺ E 26 ✺ A 27 ✺ E 28 ✺ E 29 ✺ D 30 ✺ C 31 ✺ A 32 ✺ A 33 ✺ C 34 ✺ D 35 ✺ D 36 ✺ E 37 ✺ B 38 ✺ A 39 ✺ D 40 ✺ C 41 ✺ B SET Maths Answer: D D A D E E E C D 10 C 11 A 12 C 13 A 14 E 15 E 16 E 17 D 18 A 19 E 20 D 21 E 22 B 23 C 24 C 25 E 26 A 27 D 28 B 29 B 30 C 31 B 32 E 33 B 34 D 35 E 36 C 37 B Verbal Answer:: B A C D A C E E C 10 D 11 E 12 E 13 E 14 D 15 B 16 C 17 A 18 B 19 C 20 C 21 A 22 A 23 D 24 B 25 E 26 C 27 A 28 B 29 B 30 C 31 E 32 A 33 E 34 B 35 A 36 C 37 C 38 C 39 D 40 x 41 E (Note: Q40 is missing!) SET Maths Answer: E E B D D D D B C 10 C 11 A 12 D 13 B 14 E 15 E 16 E 17 A 18 E 19 C 20 E 21 E 22 D 23 C 24 B 25 D 26 A 27 C 28 E 29 E 30 C 31 E 32 D 33 C 34 A 35 E 36 C 37 B Verbal Answer : E D C D B E(E) D B E 10 C 11 D 12 E 13 E 14 E 15 A 16 C 17 C 18 B 19 C 20 D 21 A 22 C 23 A 24 B 25 E 26 C 27 D 28 E 29 B 30 E 31 B 32 A 33 C 34 D 35 C 36 A 37 A 38 E 39 B 40 C 41 B SET Maths Answer: E E D D B C D D B 10 D 11 C 12 C 13 B 14 E 15 E 16 B 17 D 18 A 19 D 20 D 21 E 22 D 23 C 24 B 25 D 26 E 27 D 28 D 29 30 A 31 E 32 D 33 C 34 E 35 D 36 C 37 A Verbal Answer: D A D A B B E A B 10 C 11 D 12 A 13 A 14 C 15 E 16 D 17 A 18 C 19 C 20 D 21 C 22 E 23 E 24 A 25 B 26 C 27 E 28 B 29 A 30 B 31 B 32 D 33 D 34 E 35 B 36 A 37 C 38 E 39 B 40 D 41 E SET Verbal Answers: 1✻ C 2✻ D 3✻ A 4✻ E 5✻ C 6✻ D 7✻ E 8✻ C 9✻ D 10 ✻ B 11 ✻ C 12 ✻ B 13 ✻ B 14 ✻ D 15 ✻ D 16 ✻ B 17 ✻ E 18 ✻ B 19 ✻ D 20 ✻ E 21 ✻ B 22 ✻ D 23 ✻ B 24 ✻ E E 25 ✻ 26 ✻ E 27 ✻ A 28 ✻ C 29 ✻ E 30 ✻ A 31 ✻ D 32 ✻ A 33 ✻ E 34 ✻ C 35 ✻ B 36 ✻ D(E) 37 ✻ B 38 ✻ B 39 ✻ B 40 ✻ D 41 ✻ C Maths Answers: 1✻ B 2✻ D 3✻ D 4✻ C 5✻ A 6✻ D 7✻ B 8✻ C 9✻ C 10 ✻ D 11 ✻ D 12 ✻ D 13 ✻ E 14 ✻ D 15 ✻ B 16 ✻ A 17 ✻ D 18 ✻ D 19 ✻ A 20 ✻ E 21 ✻ C 22 ✻ D 23 ✻ E 24 ✻ E D 25 ✻ 26 ✻ C 27 ✻ C 28 ✻ A 29 ✻ C 30 ✻ D 31 ✻ C 32 ✻ D 33 ✻ D 34 ✻ E 35 ✻ B 36 ✻ D 37 ✻ E SET VERBAL Answers: BBDBC, CAACB(E), BAEBD, E(C)DECA, ACBCD, EA(C)AEE, EEAEB, DAEB?A, B MATH Answers: DCADE, CBBAD, ECACA, DDDCE, DAAAA, CACAA, AABBD, EB SET Maths: B E Verbal: 1.B 2.E C C E B D E E 10 A 11 D 12 E 13 C 14 D 15 C 16 B 17 A 18 A 19 E 20 B 21 E 22 B 23 B 24 C 25 E 26 A 27 A 28 C 29 A 30 A 31 C 32 C 33 A 34 B 35 C 36 C 37 A 3.C 4.D 5.D 6.E 7.E 8.D 9.A 10.A 11.B 12.D 13.D 14.C 15.A 16.B 17.A 18.D 19.A 20.E 21.A 22.C 23.A 24.E 25.C 26.D 27.B 28.C 29.A 30.D 31.A 32.C 33.E 34.B 35.A 36.C 37.D 38.E 39.E 40.D 41.D - [...]... fourth graders is 8 to 5, and the ratio of the number of first graders to the number of second graders is 3 to 4 If the ratio of the number of third graders to the number of fourth graders is 3 to 2, what is the ratio of the number of first graders to the number of third graders? A B C D E 16 to 15 9 to 5 5 to 16 5 to 4 4 to 5 -Q34: In the xy-plane,... to the hospital than uninsured patients have Critics of the hospital have concluded that the uninsured patients are mot receiving proper medical care However, this conclusion is almost certainly false Careful investigation has recently shown two things: insured patients have much longer stays in the hospital than necessary, and they tend to have more procedures performed than are medically necessary... adelgid, and this causes the color of needles to change from deep green to grayish green, and their dropping C the woolly adelgid retards tree growth, which causes needles to change color from deep green to grayish green, and dropping D the woolly adelgid retards tree growth, causing needles to change color from deep green to grayish green and to drop E the woolly adelgid retards tree growth, and this causes... biological clock, a consequence of the unrelenting (35) environmental pressures to which it is subjected; any diatoms that do not burrow before the tide arrives are washed away This is not to suggest that the (40) period of this biological clock is immutably fixed Biologists have concluded that even though a diatom does not rely on the envi- ronment to keep time, environmental factors—including changes... has been -Q17: The spacing of the four holes on a fragment of a bone flute excavated at a Neanderthal campsite is just what is required to play the third through sixth notes of the diatonic scale—the seven-note musical scale used in much of Western music since the Renaissance Musicologists therefore hypothesize that the diatonic musical scale was... the passage (lines 20-42), Whig propaganda included the assertion that A B C D E women should enjoy more political rights than they did women were the most important influences on political attitudes within a family women’s reform activities reminded men of important moral values women’s demonstrations at rallies would influence men’s voting behavior women’s presence at rallies would enhance the moral... recreational and urban development The numerical effect is obvious: there are fewer salmon in degraded regions than in pris(10) tine ones; however, habitat loss also has the potential to reduce genetic diversity This is most evident in cases where it results in the extinction of entire salmon (15) populations Indeed, most analysts believe that some kind of environmental degradation underlies the demise of many... tide-associated periodic behavior displayed by Line the diatom Hantzschia virgata, a (5) microscopic golden-brown alga that inhabits that portion of a shoreline washed by tides (the intertidal zone) Diatoms of this species, sometimes called “commuter” diatoms, remain (10) burrowed in the sand during high tide, and emerge on the sand surface during the daytime low tide Just before the sand is inundated by the... pressure caused by tidal movement However, when diatoms are observed under constant conditions in a laboratory, they still display periodic behavior, continuing to bur(25) row on schedule for several weeks This indicates that commuter diatoms, rather than relying on environmental cues to keep time, possess an internal pacemaker or biological clock (30) that enables them to anticipate periodic changes in... one state to another when they retired, the percentage who retired to Florida has decreased by three percentage points over the past ten years Since many local businesses in Florida cater to retirees, this decline is likely to have a noticeably negative economic effect on these businesses Which of the following, if true, most seriously weakens the argument? A Florida attracts more people who move from ... is to If the ratio of the number of third graders to the number of fourth graders is to 2, what is the ratio of the number of first graders to the number of third graders? A B C D E 16 to 15 to... patients are mot receiving proper medical care However, this conclusion is almost certainly false Careful investigation has recently shown two things: insured patients have much longer stays in the... subjected; any diatoms that not burrow before the tide arrives are washed away This is not to suggest that the (40) period of this biological clock is immutably fixed Biologists have concluded that