User contributions
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- 15:02, 12 August 2009 (diff | hist) . . (+792) . . N 1991 AJHSME Problems/Problem 21 (Created page with '==Problem== For every <math>3^\circ </math> rise in temperature, the volume of a certain gas expands by <math>4</math> cubic centimeters. If the volume of the gas is <math>24</…')
- 11:50, 12 August 2009 (diff | hist) . . (+1,026) . . N 1991 AJHSME Problems/Problem 20 (Created page with '==Problem== In the addition problem, each digit has been replaced by a letter. If different letters represent different digits then <math>C=</math> <asy> unitsize(18); draw((-…')
- 10:42, 12 August 2009 (diff | hist) . . (+880) . . N 1991 AJHSME Problems/Problem 19 (Created page with '==Problem== The average (arithmetic mean) of <math>10</math> different positive whole numbers is <math>10</math>. The largest possible value of any of these numbers is <math>\…')
- 10:40, 12 August 2009 (diff | hist) . . (+1,768) . . N 1991 AJHSME Problems/Problem 18 (Created page with '==Problem== The vertical axis indicates the number of employees, but the scale was accidentally omitted from this graph. What percent of the employees at the Gauss company have…')
- 10:36, 12 August 2009 (diff | hist) . . (+1,560) . . N 1991 AJHSME Problems/Problem 17 (Created page with '==Problem== An auditorium with <math>20</math> rows of seats has <math>10</math> seats in the first row. Each successive row has one more seat than the previous row. If studen…')
- 22:56, 11 August 2009 (diff | hist) . . (+2,294) . . N 1991 AJHSME Problems/Problem 16 (Created page with '==Problem== The <math>16</math> squares on a piece of paper are numbered as shown in the diagram. While lying on a table, the paper is folded in half four times in the followin…')
- 22:18, 11 August 2009 (diff | hist) . . (+1,438) . . N 1991 AJHSME Problems/Problem 15 (Created page with '==Problem== All six sides of a rectangular solid were rectangles. A one-foot cube was cut out of the rectangular solid as shown. The total number of square feet in the surface…')
- 22:14, 11 August 2009 (diff | hist) . . (+1,152) . . N 1991 AJHSME Problems/Problem 14 (Created page with '==Problem== Several students are competing in a series of three races. A student earns <math>5</math> points for winning a race, <math>3</math> points for finishing second and …')
- 17:12, 11 August 2009 (diff | hist) . . (+1,486) . . N 1992 AJHSME (Created page with ''''1992 AJHSME''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * [[1992 AJHSME Pro…')
- 16:59, 11 August 2009 (diff | hist) . . (0) . . m 1998 USAMO Problems/Problem 3 (moved 1998 Problem 1 to 1998 USAMO Problems/Problem 1)
- 16:59, 11 August 2009 (diff | hist) . . (+43) . . N 1998 Problem 1 (moved 1998 Problem 1 to 1998 USAMO Problems/Problem 1) (current)
- 13:21, 11 August 2009 (diff | hist) . . (0) . . m 1984 USAMO Problems/Problem 1 (moved Problem 1 to 1984 USAMO Problems/Problem 1)
- 13:46, 9 August 2009 (diff | hist) . . (+662) . . N 1991 AJHSME Problems/Problem 13 (Created page with '==Problem== How many zeros are at the end of the product <cmath>25\times 25\times 25\times 25\times 25\times 25\times 25\times 8\times 8\times 8?</cmath> <math>\text{(A)}\ 3 \q…')
- 13:18, 9 August 2009 (diff | hist) . . (+488) . . N 1991 AJHSME Problems/Problem 12 (Created page with '==Problem== If <math>\frac{2+3+4}{3}=\frac{1990+1991+1992}{N}</math>, then <math>N=</math> <math>\text{(A)}\ 3 \qquad \text{(B)}\ 6 \qquad \text{(C)}\ 1990 \qquad \text{(D)}\ 1…')
- 12:35, 9 August 2009 (diff | hist) . . (+742) . . N 1991 AJHSME Problems/Problem 11 (Created page with '==Problem== There are several sets of three different numbers whose sum is <math>15</math> which can be chosen from <math>\{ 1,2,3,4,5,6,7,8,9 \} </math>. How many of these set…')
- 22:18, 7 August 2009 (diff | hist) . . (+1) . . m 1991 AJHSME Problems/Problem 10 (→Solution)
- 22:18, 7 August 2009 (diff | hist) . . (+472) . . m 1991 AJHSME Problems/Problem 10
- 22:17, 7 August 2009 (diff | hist) . . (+1,045) . . N 1991 AJHSME Problems/Problem 9 (Created page with '==Problem== How many whole numbers from <math>1</math> through <math>46</math> are divisible by either <math>3</math> or <math>5</math> or both? <math>\text{(A)}\ 18 \qquad \te…')
- 22:10, 7 August 2009 (diff | hist) . . (+914) . . N 1991 AJHSME Problems/Problem 8 (Created page with '==Problem== What is the largest quotient that can be formed using two numbers chosen from the set <math>\{ -24, -3, -2, 1, 2, 8 \}</math>? <math>\text{(A)}\ -24 \qquad \text{(B…')
- 21:30, 7 August 2009 (diff | hist) . . (+923) . . N 1991 AJHSME Problems/Problem 7 (Created page with '==Problem== The value of <math>\frac{(487,000)(12,027,300)+(9,621,001)(487,000)}{(19,367)(.05)}</math> is closest to <math>\text{(A)}\ 10,000,000 \qquad \text{(B)}\ 100,000,000…')
- 18:57, 7 August 2009 (diff | hist) . . (+769) . . N 1991 AJHSME Problems/Problem 6 (Created page with '==Problem== Which number in the array below is both the largest in its column and the smallest in its row? (Columns go up and down, rows go right and left.) <cmath>\begin{tabul…')
- 16:27, 7 August 2009 (diff | hist) . . (+3,110) . . N 1991 AJHSME Problems/Problem 5 (Created page with '==Problem== A "domino" is made up of two small squares: <asy> unitsize(12); fill((0,0)--(1,0)--(1,1)--(0,1)--cycle,black); draw((1,1)--(2,1)--(2,0)--(1,0)); </asy> Which of the…')
- 16:10, 7 August 2009 (diff | hist) . . (+577) . . N 1991 AJHSME Problems/Problem 4 (Created page with '==Problem== If <math>991+993+995+997+999=5000-N</math>, then <math>N=</math> <math>\text{(A)}\ 5 \qquad \text{(B)}\ 10 \qquad \text{(C)}\ 15 \qquad \text{(D)}\ 20 \qquad \text{…')
- 16:04, 7 August 2009 (diff | hist) . . (+630) . . N 1991 AJHSME Problems/Problem 3 (Created page with '==Problem== Two hundred thousand times two hundred thousand equals <math>\text{(A)}\ \text{four hundred thousand} \qquad \text{(B)}\ \text{four million} \qquad \text{(C)}\ \tex…')
- 15:59, 7 August 2009 (diff | hist) . . (+386) . . N 1991 AJHSME Problems/Problem 2 (Created page with '==Problem== <math>\frac{16+8}{4-2}=</math> <math>\text{(A)}\ 4 \qquad \text{(B)}\ 8 \qquad \text{(C)}\ 12 \qquad \text{(D)}\ 16 \qquad \text{(E)}\ 20</math> ==Solution== <cma…')
- 15:49, 7 August 2009 (diff | hist) . . (+564) . . N 1991 AJHSME Problems/Problem 1 (Created page with '==Problem== <math>1,000,000,000,000-777,777,777,777=</math> <math>\text{(A)}\ 222,222,222,222 \qquad \text{(B)}\ 222,222,222,223 \qquad \text{(C)}\ 233,333,333,333 \qquad \text…')
- 22:17, 1 August 2009 (diff | hist) . . (+2,306) . . 1991 AJHSME Problems
- 17:11, 1 August 2009 (diff | hist) . . (+1,893) . . 1991 AJHSME Problems
- 10:26, 1 August 2009 (diff | hist) . . (+2,385) . . 1991 AJHSME Problems
- 16:37, 31 July 2009 (diff | hist) . . (-698) . . 2000 AMC 10 Problems/Problem 1 (Redirected page to 2000 AMC 12 Problems/Problem 1) (current)
- 16:36, 31 July 2009 (diff | hist) . . (+108) . . 2000 AMC 12 Problems/Problem 1
- 16:28, 31 July 2009 (diff | hist) . . (+74) . . m 2000 AMC 10 Problems (→See also)
- 14:59, 31 July 2009 (diff | hist) . . (+20) . . m Nimo
- 15:52, 16 July 2009 (diff | hist) . . (+3,300) . . 1991 AJHSME Problems
- 11:57, 16 July 2009 (diff | hist) . . (+1) . . m User:Xpmath (→Goals for 9th grade)
- 11:55, 16 July 2009 (diff | hist) . . (+2,918) . . N 1967 IMO Problems (Created page with 'Problems of the 9th IMO 1967 in Yugoslavia. ==Problem 1== Let <math>ABCD</math> be a parallelogram with side lengths <math>AB = a</math>, <math>AD = 1</math>, and with <ma…')
- 19:08, 15 July 2009 (diff | hist) . . (+2,820) . . N 1965 IMO Problems (Created page with '==Problem 1== Determine all values <math>x</math> in the interval <math>0\leq x\leq 2\pi </math> which satisfy the inequality <cmath>2\cos x \leq \left| \sqrt{1+\sin 2x} - \sqrt…')
- 17:53, 15 July 2009 (diff | hist) . . (0) . . m 1985 AJHSME Problems/Problem 7 (→Problem)
- 17:18, 15 July 2009 (diff | hist) . . (+5,425) . . 1991 AJHSME Problems
- 16:06, 12 July 2009 (diff | hist) . . (+6) . . m 2004 AMC 12B Problems/Problem 3
- 13:05, 12 July 2009 (diff | hist) . . (+10) . . m Sign (current)
- 23:07, 11 July 2009 (diff | hist) . . (+166) . . m 2007 AMC 12B Problems/Problem 1
- 23:05, 11 July 2009 (diff | hist) . . (-432) . . 2007 AMC 10B Problems/Problem 1 (Redirected page to 2007 AMC 12B Problems/Problem 1) (current)
- 22:53, 11 July 2009 (diff | hist) . . (+12) . . m 2007 AMC 12B Problems/Problem 1
- 22:24, 11 July 2009 (diff | hist) . . (+1,929) . . N 1990 AJHSME Problems/Problem 24 (Created page with '==Problem== Three <math>\Delta</math>'s and a <math>\diamondsuit </math> will balance nine <math>\bullet</math>'s. One <math>\Delta </math> will balance a <math>\diamondsuit </…') (current)
- 22:17, 11 July 2009 (diff | hist) . . (+2,324) . . N 1990 AJHSME Problems/Problem 25 (Created page with '==Problem== How many different patterns can be made by shading exactly two of the nine squares? Patterns that can be matched by flips and/or turns are not considered different.…') (current)
- 22:03, 11 July 2009 (diff | hist) . . (+1,524) . . N 1990 AJHSME Problems/Problem 23 (Created page with '==Problem== The graph relates the distance traveled <nowiki>[in miles]</nowiki> to the time elapsed <nowiki>[in hours]</nowiki> on a trip taken by an experimental airplane. Dur…') (current)
- 21:54, 11 July 2009 (diff | hist) . . (+861) . . N 1990 AJHSME Problems/Problem 22 (Created page with '==Problem== Several students are seated at a large circular table. They pass around a bag containing <math>100</math> pieces of candy. Each person receives the bag, takes one …') (current)
- 21:49, 11 July 2009 (diff | hist) . . (+1,044) . . N 1990 AJHSME Problems/Problem 21 (Created page with '==Problem== A list of <math>8</math> numbers is formed by beginning with two given numbers. Each new number in the list is the product of the two previous numbers. Find the fi…')
- 21:45, 11 July 2009 (diff | hist) . . (+913) . . N 1990 AJHSME Problems/Problem 20 (Created page with '==Problem== The annual incomes of <math>1,000</math> families range from <math>8200</math> dollars to <math>98,000</math> dollars. In error, the largest income was entered on t…')
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