1、(1) Guys gross income increased by 4 percent on January 1, 1989.(2) Guys deductions increased by 15 percent on January 1, 1989.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 state
2、ments 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 wz 2, is z 2(2) z Q4:Which of the following is equal to 517 49?A. 2 1013B. 2 1017C. 2 1020D. 2 1026E. 2 1036Q5:If x and y are pos
3、itive integers and y =, what is the value of y?(1) x 1Q6:Sues monthly earnings consist of a monthly salary and a 4 percent commission on the portion of her monthly sales that is in excess of $2,000. If Sues monthly salary was the same in July as in August, how much greater were her sales in July tha
4、n in August?(1) Sues monthly earnings were $3,620 in July and $3,580 in August.(2) Sues monthly salary was $3,500 in July and in August.Q7:A company has assigned a distinct 3-digit code number to each of its 330 employees. Each code number was formed from the digits2, 3, 4, 5, 6, 7, 8, 9and no digit
5、 appears more than once in any one code number. How many unassigned code numbers are there?A. 6B. 58C. 174D. 182E. 399Q8:The points R, T, and U lie on a circle that has radius 4. If the length of arc RTU is, what is the length of line segment RU?A. B. C. 3D. 4E. 6Q9:In an art gallery, 25 percent of
6、the art pieces on display were photographs. If 12 percent of the photographs were black-and-white photographs, what percent of the art pieces on display were black-and-white photographs?A. 3%B. 7%C. 13%D. 30%E. 37%Q10:What is the value of (x - y)4?(1) The product of x and y is 7.(2) x and y are inte
7、gers.Q11: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 + 1 of the n e
8、mployees who attended the dinner, each of the k + 1 employees would have paid $18.Q12:From Lelands gross pay of p dollars last week, t percent was deducted for taxes and then s dollars was deducted for savings. What amount of Lelands gross pay last week remained after these two deductions?(1) p - s
9、= 244(2) pt = 7,552Q13:If the sequence x1, x2, x3, , xn, is such that x1 = 3 and xn+1 = 2xn 1 for n 1, then x20 x19 =A. 219B. 220C. 221D. 220 - 1E. 221 - 1Q14: Yesterday each of the 35 members of a certain task force spent some time working on project P. The graph shows the number of hours and the n
10、umber of members who spent that number of hours working on project P yesterday. What was the median number of hours that the members of the task force spent working on project P yesterday?A. 2B. 3C. 4D. 5Q15:The average (arithmetic mean) of the 5 positive integers k, m, r, s, and t is 16, and k m r
11、s t. If t is 40, what is the greatest possible value of the median of the 5 integers?A. 16B. 18C. 19D. 20E. 22Q16:If s4v3x7 0, is svx 0?(1) v 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, t
12、hen n is what fraction of the sum of the 21 numbers in the list?C. D. E. Q18:In isosceles triangle PQR, if the measure of angle P is 80, which of the following could be the measure of angle R? I. 20 II. 50 III. 80A. I onlyB. III onlyC. I and II onlyD. II and III onlyE. I, II, and III Answer:Q19:Thre
13、e printing presses, R, S, and T, working together at their respective constant rates, can do a certain printing job in 4 hours. S and T, working together at their respective constant rates, can do the same job in 5 hours. How many hours would it take R, working alone at its constant rate, to do the
14、same job?A. 8B. 10C. 12D. 15E. 20Q20:FavorableUnfavorableNot SureCandidate M4020Candidate N3035The table above shows the results of a survey of 100 voters each responded “favorable” or “unfavorable” or “not sure” when asked about their impressions of candidate M and of candidate N. What was the number of voters who responded “favorable” for both candidates?(1) The number of voters who did not respond “favorable” for either candidate was 40.(2) The number of vote
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