1. Only lifts an example: A coordinate axis, from left selects P to right 4, Q, W, N. their absolute value is p, q, w, n. Attention! Is the absolute Value! P.
2. In following option, which may cause the x+1/x^2 value to be biggest?
A. x= 0.00006 (has how many zero not to remember, is in any case a very small numeral) B.x=0.0007?
C.x=1?
D.x=3?
E.x=7000?
chooses A.
3. The topic could not have remembered, the general idea is from the center of a circle by 10, 20. . . 80 are the vertex angle divides a circle, but these eight fan-shaped orders are not are a 10~80 order come according to the vertex angle, is may the free alternation, like this has eight spots in the circle to compose Eight? Shape (octagon), asks this Eight? Shape interior angle most greatly to be able for how many. D.165 E.170 Madi recollection: A □minute □divides into eight sections of strings by 10, 20, 30, 40, 50, 60, 70, 808 □angles, □□□meets □causes it to become □the star anise, □star anise biggest □angle □ Looks difficultly, actually fortunately, if the vertex angle is 10, also is the isosceles triangle, then each Base angle is 85. The vertex angle is 20 then Base angle is 80. The maximum interior angle is two neighboring Base angle and, most greatly is 85+80=165, I thought chooses d.
4.
Topic very long, said uses in to install the light bulb (light bulbs) the box (package) in has a rectangular the partition board (a rectangular insert), has been high for the box length and breadth, respectively is 120 and 80, 80, but also has the box the side view. That partition board folded two, has divided into the box four similar checks (identical compartment?) □ asks the partition board the area. I am considered as am B. The length is 100+80+100=280, 280*80=22400!
5. (**7) the ^20 various figures are? The truth of a matter does not remember. Answer: 1
6. According to the madi recollection, I only then remember this topic: Some □as soon as adds □the gasoline in the city to be possible to run 10 miles, as soon as adds on the highway □may run 25 miles, □this □runs 20 mile in the city, runs in addition on the highway 30 miles average potency. Answer: Altogether has used 3.2gallons, went 50miles, therefore 50/3.2=15.625miles/gallon. The option looks like is an approximate value.
7. Integer n is four prime numbers products, in four prime numbers has two equality, asked how many divisors integer n altogether does have, contains 1 and n itself? A. 5 B. 8 C. 9 D. 10 E. 12
8. Integer sequence S, the latter number was equal to sum of the first two numbers (namely Sn=Sn-1 + Sn-2), asked how many this sequence 6th integer is? A. In the sequence first and sum of the second integer is 7; B. In the sequence third and the fourth integer respectively is 7, 12;
9. Asked a equilateral triangle inscribed circle and Circumscription? how many the area ratio is? <<>>
10. A factory one day are most may produce 800 A product and 400 B product, sells a A product to be allowed to make a profit $ 10, to sell a B product to be allowed to make a profit $ 3, if this factory same day produces the same day to buy (meaning on not to consider has goods in stock) 1,000 products, should produce A for the profit maximization, how many B product each?
A. 900 A product and 100 B product;
B. 800 A product and 200 B product;
C. 600 A product and 400 B product;
D. 500 A product and 500 B product;
E. 400 A product and 600 B product;
dina2010 : the factory produces 800 units from A and 400 units from B
dina2010 : sells A for 10$ and B for 3$
dina2010 : asked if the factory produces and sells the whole stock in one day
dina2010 : and planning to produce 1000 units
pavan_mirla: yes
dina2010 : what is the product mix that will maximize the profits
dina2010 : sure, B
11. has 8 liquids ounces (fluid ounce) Shui Sa forms the circular on the place, and permeates the underground 1/8 inch (to be supposed to be said forms circular cylinder meaning), asked forms how many inches this Surface diameter is? (1 liquid ounce =1.8 cube inch) PS: This topic only can estimate, at that time I did mistakenly, the answer should choose 12. << style=""> >>
12. Some person saves money in the bank, A: Stores x Yuan by the r % single annual interest rate, B: Stores y Yuan by the t % single annual interest rate, asked if saves the time to be same, whether the A interest income is bigger than B?
A. 0 <>
B. 0 <>
dina2010 : yes, interest rates
dina2010 : the q is whether xr/100>yt/100
dina2010 : or xr>yt
dina2010 : we should know info. for either two variables of each side
pavan_mirla: yes
dina2010 : from 1--> we can conclude that x>y
dina2010 : but no info. about r and t....hence insuff.
dina2010 : from 2--> r>2t...but no info. about x and y
dina2010 : combining both...it works...hence C
13. Some person bank 6,000 Yuan, the bank according to the quarter settlement interest, counts the compound interest, previous the third quarter interest respectively is 130, 145, 125, if the whole year obtains Interest the income for the capital 10%, asked how many the fourth quarter interest rate is? PS: The original text had not said each quarter interest rate is certainly equal
A. 3%
B. 9%
C. 2%
D. 11%
E. 15%
14.(x + y)^2 + 2(x + y) +1 =0 If x -y = n, how many x is equal to?
15. A club, all members arrive in full when 5 personally form a group to discuss happen to divides, asked how many people the club altogether does have?
A. If has a person to absent, is left over the person 4 individual group discusses happen to divides;
B. This club population in 10 to 40 people between;
dina2010 : the q says that there is a group whose members are a multiple of 5, how many people r there
dina2010 : from 1--> if we took one member out then the remaining members will be multiple of 4
pavan_mirla: so such a number is 25.
dina2010 : yes
pavan_mirla: 25-1 is div by 4.
pavan_mirla: 65-1 is div by 4
dina2010 : yes
dina2010 : then A insuff
pavan_mirla: yes,
pavan_mirla: in B.
pavan_mirla: there is no helpful info
pavan_mirla: 1+2 we limit the value to 25.
pavan_mirla: so ans -C?
dina2010 : yes, right..C
16. DS（m-n）/m - (m-n)/n>1? Has an option to be allowed to promote mn > 0
17. DS company's average sale in 5--500? (1) always sells, four sheds five enter 1, 000, 000, 000 is x (2) altogether has the person, four sheds five enter 1, 000, 000 is y Specifically recorded not clearly, but 5y=x
18. In reference axis has eight spots, assigns 2x+3y =10 (to forget in addition correct numeral), asked conforms to the condition probability.
19. Some vehicle may run 10 miles in a city gallon gasoline, a gallon may run 25 miles on the highway, asked this vehicle runs 20 mile in the city, runs in addition on the highway 30 miles average potency.
20. A sum of money saves the bank for six years, the compound interest computation, asked the interest increased how many. (1) sixth year amount compared to fourth year more than 1.5 time (2) capital =1000
21. A circle respectively divides into eight sections of strings by 10, 20, 30, 40, 50, 60, 70, 80 8 angles, arranged in two rows connects causes it to become the star anise, asks star anise maximum interior angle several
22. In the bag respectively has red, black, blue bean each 50, after asked must grasp several only then to be able at least to have 14 beans is The same color
23 The function f is defined for each positive three-digit integer n by f(n) = 2x3y5z , where x, y and z are the hundreds, tens, and units digits of n, respectively. If m and v are three-digit positive integers such that f(m)=9f(v), them m-v=?
(A) 8
(B) 9
(C) 18
(D) 20
(E) 80
24. If x2 + y2 =1, is x + y =1?
(1) xy =o
(2) y = 0
25。when N is divided by 10 reminder is 1 and when N is divided by 3 remainder is 2. what is the remainder when N is divided by 30?
26.X = (1-1/2)(1-1/3)(1-1/4).....(1-1/50)
what is the value of X
27. X=-1, what is the Value of X+ X^n + X^(n+1)+X^(n+2) where n is the sum of first 404 prime numbers
28. the price of a share is x$, this is increased by r% and then again increased by y$ what is the ratio of the increased price to the original price?
29. THere are 8 players and each player plays with each other player only once. every game involves only two players. waht the total number games that can be played?
30.there are 50 Black beans, 50 Red beans and 50 green beans in a jar. waht are the minimum number of beans to be picked to ensurethat atleast 14 of one color are picked?
31.there was a DS problem on the number of installments to be repaid for a loan with compound interest.
32.what is the area made by line segment y =-x+4 with the coordinate axes
33. there is a line segment L, the x-intercept of this is -ve. is y intercept of this line > x intercept.
34. slope of the line is negative
35.a circle is divided in to 8 non overlapping arc of 10,20,30,40,50,60,70,80 degrees each
36. is XZ>YZ??
1) XYZ=0
2) X>Y
37. DS company female has 70%, asked the company staff's average age surpasses 55 not, the concrete condition records has not been clear.. Probably first is said female surpasses 75 percentages, moreover tells is male surpasses some age the proportion
38. For 6 definite numerals and X, should be 234,579 and X. Asked X is not the =4 condition 1: Median is 4, the condition 2 is X is bigger than median
39. For 6 numerals, had not remembered the numeral is concrete is how many. Said in any case is the smallest that numeral adds 3, the biggest
40. A great-circle radius is X+r, the small garden is r. asked the great-circle is bigger than the small circle many? Very simple... How many
41. D S does 2^K eliminate by ten Yu Shu is? The condition 1) K may by 4 contains conditions 2) K be allowed by 6 contains. I elect A
42. A thing price is X. First time rises in prices r%, second time rose in prices p Yuan. Asked how many altogether two increase is X 100分之? A
43.DS person from the family to some place distance 200miles, asks her to there to be able in three hours to not? 1) gave the speed to be bigger than some value, was 72kilometers as if. 2) was gives each second to run how many rice. The embarrassed numeral recorded not clearly, but the topic was very simple below, only was the condition unit which everybody paid attention to it to give all is dissimilar, attention conversion all of a sudden.
44. (7^-1)/(42^-7) = how many? (Also possibly is 42^-9) the answer is all changes into the negative index such, is 42 trades the member to come up. Everybody own calculates.
45.DS library has 70% book is nonfiction, inside nonfiction some type other compared to other nonfiction more than 300. Asked how many books the library altogether does have? The condition
1) library nonfiction has how many
2) library that one kind of nonfiction to have how many this topic is not very difficult, is very difficult to read, I read have been very long. Afterwards thought its meaning is the library first divides into the book fiction and nonfiction, then nonfiction classifies again
46. Some 5 vehicles arrange a row, they to identical direction. 3 yellow, one is red, a blue, asked how many kind of platoons law has?
47. Said a coarse thread the slope 2, moreover the y axis spur is 1. Which spot under asks in the straight line. Calculated the straight line equation took into the spot
48. A coarse thread has two spots (3, -1) (8?) (sorry, my memory looks like is not very good.. Cannot recollect). Asks to X axis point of intersection
49. A numeral eliminates by three numbers is 1, eliminates by 10 numbers is 2, asked eliminates by 30 -odd numbers
50. A person has saved a sum of money 2,000, the compound interest computation, the annual interest rate is 1.1%, asks three years and two year interest difference
51.m,p, s and v are positive integers. m/p <>
II. ms/pv
III. s/v-m/p
The answer is only
52.2^m3^n5^r=360? 2^r3^m5^n=?The afterwards alphabetical order possibly had remembers not clearly, but so long as figured out front substitutes may I figure out am M=3, N=2, R=1
53. Some 4X4 square, each angle spot and the opposite angle line point of intersection adds is 41 spots, if lengthens into this square one side 4X8 the rectangle, how many spots then altogether has?
54. Some 8 liquids ounce (fluid ounce) Shui Sa forms the circular on the place, and permeates the underground 1/8 inch (to be supposed to be said forms circular cylinder meaning), asked forms how many inches this Surface diameter is? (1 liquid ounce =1.8 cube inch)
54- A store sells the handbag, has attire A, has B, had attire C (to record does not have to be any, but was unimportant), but at least had east the attire one kind east, for you a form: Installs A, B has 5, installs B and C has 5, installs C and A has 6, installs A, B, C has 3, in all packages, installs A altogether 30, installs B altogether 24, installs C altogether 20, asked altogether has how many package. Actually is in September jj distortion topic, may figure out with 30+24+32-5-5-6-3*2, altogether 64, the inside numeral is I collects, but the final output looks like is 64.
55.. center numbers questions, also quite is simple,
Rate Frequency
5 124
4 138
3 54
2 28
1 17
Asked rate the center counts, quite is simple. The numeral is not really, but the mentality is correct. Mathematics thought have not been many, DS looks like does not have the mold to test with October difficult, but had me to jam together, estimated wrong.
56.p, q, r are constant, f(x)=p(x^5)+q(x^3)+rx, p+q+r=?
(1) f(-1)=5
(2) pqr<0
57. in 1984 one dollar could buy 252 Japanese Yen, in 1995 one dollar could buy 89 Japanese Yen, how much more dollar need to buy 10000 Japanese Yen in 1995 than in 1984?
58. k and m are consecutive even number, does k > m?
(1) k+2 and m-2 are non-consecutive even number
(2) k-1 and m+3 are consecutive odd number
59. Set S are all integers of multiple of 2, set T are all integers of multiple of 4, does the integer m have the property of in set S but not in set T?
(1) m is an even number
(2) m/2 is an odd number
60.1 rectangular room grounds have two circulars dirts, the area are pie/100, the dirt center of a circle are bigger than 3 to the recent wall distance, asked whether a circular rug may cover two dirts?
(1) the rug area is 9pie
(2) two dirts centers of a circle are distanced 4
61. this roads write me to see some people have already written, was a circle divides into eight, arches corresponding the distinction is 10, 20, 30, 40, 50, 60, 70, 80, asked eight spots connect Eight? Shape the maximum angle number of degree?
62. x and y are integers, 8^x <>
(1) x <>
(2) 3x <>
63. k is an integer, what is the remainder of (k^2)/8?
(1) k divided by 2, the remainder is 1
(2) k divided by 3, the remainder is 2
64.330 is the factor of the product of first n consecutive positive integers, what is the least possible n?
JJ author's answer: Simply said my answer 1.a 2. quite is simple, the option also all is the approximate number
3.d 4.b 5.c 6. 165 7.b 8. a 9. 11
5. My principle dissociation wall is away from this condition only is for consider the rug can lay down 11. In front of this topic the condition said has the omission, extremely was sorry, I remembered I read the topic the understanding am from 1 start sum of the positive integer, Possibly own have created the puzzle in the expression for everybody. Above the answer only supplies the reference.
65. A number axis, above in turn wxyz four, also wxyz
66.A a lot of, B a lot of, asked your A grows overB how many, finally comes out, does not have an answer is right, frightens as soon as jumps. Originally so long as chooses closest to. In very many any the number rate of increment topic, the numeral are very many needs to look carefully.
67. 18 wooden track, the average length is 12 feet. how many 9 feet track should be placed to make the average length 10 feet.
68. ps. 0
69. 60% of students were vaccinated with Rxx and 70% wtih Mxx, what is the % of students vaccinated with both. (KEY-didn't say how many wasn't vaccinated at all.)
A-10% B-25% C-45% D-65% E-80% (my asnwer is C because is has to be between 30% and 60%)
70. Machine A makes 7000 products in 8hrs, B makes 7000 in 2hrs. One day A worked twice as long as B, ask what's the ratio of A's product to the total products? answer
71.f[x] is defined to the closest number equal or less x, f[y]=2, f[x/3]=?
72.(this one I absolute don't remember the details, sorry) JiHe problem - number of P is twice as M, MP together is 1/2 of M only, total number of MP together is 5000, ask P only.
74. Asking the total distance of a triangle, whose 3 points are (-4, 3) (3,4) and (-1,1) on the XY-plane. It aslo said something about the points were on a lake, come with a drawing too.
Answer 17. (-4, 3) to (3,4) is 50^2 the other two are 5 each. The total is estimated.
75.DS X is left of Y and Z, is XYZ<0?>
E because the asnwer depends the relative position of Y and Z.
76. DS 700 of tickets were sold, and ticket price to the students is half that to the none-students, ask how many were sold to Students? 1)Total revenue is $2500 2) The total price of 1 student and 1 none-student ticket is $6.
77. DS A 3-digit integer, what is the unit digit? 1)product of all units = 54 (or 56) 2)sum of all unit >16. (sorry this was my last question which I didn't have time to read close enough to figure out.) but not hard though.
79.There is one more I remember, but couldn't draw - 4 lines interact each other forming a "#" not necessarily //. 4 corner w, x, y and z. ask x+z=? 1) w=95 2)z=125 Answer is D for sure
80. Asks rectangle in vivo the Z table-flap area; (Heavy topic 4)
81. Two machines work, completes the isometric to work is another consumes the time 1/2, the simultaneous working asked slow completes accounts for total quantity the percentage (heavy topic 70)
82. In coordinate system, known two A (1, 3), B (3,3), also known some C arrives A, the B two distances is equal, under asked that possibility is the C coordinates? Determination A (1,2) B (had forgotten) C (had forgotten) D (2, 5) E (has forgotten)
83.1 each month rainfall amount is as follows, asked how many the rainfall amount the center number is? (Value is 2.0, 0.5, 1.5, 1.04, which number but was concrete to appear how many me to record not clear, when everybody test under attention) determined 2.1 years each month the rainfall amount was as follows, asked how many the rainfall amount the center number was? (Value is 2.0, 0.5, 1.5, 1.04, which number but was concrete to appear several times of me to record not clear, when everybody test under attention) determined
Decides Month of 1 2 3 4 5 6 7 8 9 10 11 12
rainfall amount 2 1 0.5 2 1.5 0.5 1.5 0.5 1.5 0.5 0.5 0.5
84. x, y all is a positive integer, also x 1, asked: X^y 100? Determination
85. altogether 5 books, divide into Spanish and the non- Spanish two kinds, must choose 2 books from 5 books, asked: How many at least some 1 is Spanish probability is? Probably determined (1) selects 2 books all were not Spanish probability are a (have produced numeral) (2) selects 2 books all were Spanish probability are b (have produced numeral)
86. (1/8) ^4 =? Determination I choose (1/4) ^ 6
87. some company has entered 120 commodities A by each x Yuan price, the first 100 commodities are higher than the price 20% price to sell, the latter 20 commodities sell by each y Yuan price, asked how many finally the obtained profit and the sales volume ratio of are? Is indefinite (1) x and y equation (2) x y are less than a % (a to produce)
88. has two kind of solutions (solution), in the A solution the ethyl alcohol and the water proportion is 2: 3, in the B solution the ethyl alcohol and the water proportion is 2: 5, after asked 35 kilogram A solution and 35 kilogram B solution mix, how many the ethyl alcohol and the water proportion is? Determination
89. charts are a tent (I did not know how draws in word, general picture becomes such, around tent is 2 sides is semicircle), the known bottom surface (pastes place that surface) the rectangle is long 12 and the width 10, wants you to ask this tent the surface area. Determination. I elect the answer was pai * (1,2/2) ^2 (two semicircles sides area on quite + [ (pai * 12)/2 ] *10 (tent goes against that surface to a circle) area) (topic to look like said, pasted place that surface area not to calculate)
90. other also has a topic, I draw not the good chart, probably is asks inside the trapezoid a rectangle width is how many, very simple, he told you the entire trapezoid about bottom and is high (may extract area) as well as in the trapezoid besides the rectangular area, therefore two as soon as reduce is the rectangular area, again eliminated by long obtains the width the value determination
91. known x^2+ax+b=0, also this equation have 2 different roots, asked: Which of the following must be true? Probably determined
92.1 coordinate axes, from left select P to right 4, Q, W, N. their absolute value are p, q, w, n. Attention! Is the absolute value! I elect: (q+w+n-p)/4.
93.DS: One kind of score definition is behind the decimal point figure is limited, asked N = a/b is not this kind of score?
94.DS company's average sells whether within 5$ of 500$?
(1) always sells, four sheds five enter 1, 000, 000, 000 is X
(2) altogether has the person, four sheds five enter 1, 000, 000 is Y
95.x and y all are a positive integer x
96. A committee member the institutional records of a reign elects 4 teachers (male from 4 schools 2 2 female), each school chooses 1, each school recommends male and female teacher each 1, asked how many kinds has to choose the law?
97. A company, staff same year age and sum of =70 year of service was allowed to retire, asks a staff if K year old of participation work, at least how many years old could retire?
98.x＝2，y Is the positive integer, x^y>1000?（1）x>5（2）y/x>4
99. A straight line (1, p), had asked its slope is negative (1) this coarse thread (p, 13) (2) this coarse thread (0,1)
100. Is three triangles compositions trapezoid, inside told you some important angles, had 60degree to have 61degree, asked where you were longest? (Very simple, is big angle to big side, chart in finally, cannot draw only can assemble, answer is nearby CD is longest)
posted by mirla @ 3:37 PM
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