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• 15:15, 29 April 2014 (diff | hist) . . (-6)‎ . . 2014 USAJMO ‎
• 15:14, 29 April 2014 (diff | hist) . . (+261)‎ . . 2014 USAJMO ‎
• 15:11, 29 April 2014 (diff | hist) . . (+17)‎ . . USAJMO Problems and Solutions ‎
• 15:07, 23 April 2014 (diff | hist) . . (+1,026)‎ . . 2002 PMWC Problems ‎ (→‎Problem T9) (current)
• 15:15, 22 April 2014 (diff | hist) . . (+5,300)‎ . . 2003 PMWC Problems ‎ (current)
• 20:34, 21 April 2014 (diff | hist) . . (+1,860)‎ . . 2000 PMWC Problems ‎
• 20:34, 21 April 2014 (diff | hist) . . (+249)‎ . . N 2000 PMWC Problems/Problem T8 ‎ (Created page with "==Problem== There are positive integers <math>k</math>, <math>n</math>, <math>m</math> such that <math>\frac{19}{20}<\frac{1}{k}+\frac{1}{n}+\frac{1}{m}<1</math>. What is the sma...")
• 20:33, 21 April 2014 (diff | hist) . . (+302)‎ . . N 2000 PMWC Problems/Problem T7 ‎ (Created page with "==Problem== The digits <math>0</math> to <math>9</math> without repetition form two 5-digit numbers <math>M</math> and <math>N</math>. Given that <math>\frac{M}{N}</math> equals ...") (current)
• 20:33, 21 April 2014 (diff | hist) . . (+680)‎ . . N 2000 PMWC Problems/Problem T6 ‎ (Created page with "==Problem== In <math>\triangle ABC</math>, <math>BC=6BD</math>, <math>AC=5EC</math>, <math>DG=GH=HE</math>, <math>AF=FG</math>. Find the ratio of the area of <math>\triangle FGH<...") (current)
• 20:32, 21 April 2014 (diff | hist) . . (+418)‎ . . N 2000 PMWC Problems/Problem T5 ‎ (Created page with "==Problem== Each of <math>20</math> children ranked <math>3</math> kinds of chocolate (A, B, and C) in order of their preferences, with no absentions. Suppose <math>11</math> chi...") (current)
• 20:32, 21 April 2014 (diff | hist) . . (+446)‎ . . N 2000 PMWC Problems/Problem T4 ‎ (Created page with "==Problem== Use the four colours red, yellow, blue and green to fill in the regions of the following diagram so that the adjacent regions are not the same colour. How many differ...") (current)
• 20:30, 21 April 2014 (diff | hist) . . (+1,501)‎ . . 2000 PMWC Problems/Problem T2 ‎ (→‎Problem) (current)
• 20:30, 21 April 2014 (diff | hist) . . (+413)‎ . . 2000 PMWC Problems/Problem T3 ‎ (→‎Problem)
• 20:30, 21 April 2014 (diff | hist) . . (+343)‎ . . N 2000 PMWC Problems/Problem T3 ‎ (Created page with "==Problem== In the figure, <math>ABCD</math> is a square, <math>P</math>, <math>Q</math>, <math>R</math>, and <math>S</math> are midpoints of the sides <math>AB</math>, <math>BC<...")
• 20:29, 21 April 2014 (diff | hist) . . (+318)‎ . . N 2000 PMWC Problems/Problem T2 ‎ (Created page with "==Problem== A <math>5 \times 5 \times 5</math> cube is formed using <math>1 \times 1 \times 1</math> cubes. A number of the smaller cubes are removed by punching out the 15 desig...")
• 20:29, 21 April 2014 (diff | hist) . . (+456)‎ . . N 2000 PMWC Problems/Problem T1 ‎ (Created page with "==Problem== A box contains <math>4000</math> to <math>6000</math> candies. When the candies are evenly distributed to <math>5</math>, <math>6</math>, <math>7</math>, <math>8</mat...")
• 20:29, 21 April 2014 (diff | hist) . . (+417)‎ . . 2000 PMWC Problems ‎ (→‎Problem T1)
• 20:25, 21 April 2014 (diff | hist) . . (+684)‎ . . 2002 PMWC Problems ‎ (→‎Problem T7)
• 20:24, 21 April 2014 (diff | hist) . . (+725)‎ . . 2001 PMWC Problems ‎ (→‎Problem I14) (current)
• 20:23, 21 April 2014 (diff | hist) . . (+583)‎ . . 2001 PMWC Problems ‎ (→‎Problem I11)
• 20:22, 21 April 2014 (diff | hist) . . (+1,112)‎ . . N 1999 PMWC Answer Key ‎ (Created page with "T5. <asy> →‎modified Geogebra to Asymptote conversion, documentation at artofproblemsolving.com/Wiki, go to User:Azjps/geogebra: import graph; size(7cm); real labelscalefacto...") (current)
• 20:21, 21 April 2014 (diff | hist) . . (+910)‎ . . 1999 PMWC Problems ‎ (→‎Problem T2) (current)
• 20:21, 21 April 2014 (diff | hist) . . (-909)‎ . . 1999 PMWC Problems ‎ (→‎Problem I2)
• 20:21, 21 April 2014 (diff | hist) . . (+352)‎ . . 1999 PMWC Problems ‎ (→‎Problem T6)
• 20:20, 21 April 2014 (diff | hist) . . (+910)‎ . . 1999 PMWC Problems ‎ (→‎Problem I2)
• 16:55, 20 April 2014 (diff | hist) . . (+495)‎ . . N 2000 PMWC Answer Key ‎ (Created page with "I1. <math>24</math> I2. <math>1</math> I3. <math>217</math> I4. <math>25725</math> I5. <math>47\%</math> I6. <math>8531\times 7642</math> or <math>65193902</math> I7. <math...") (current)
• 16:54, 20 April 2014 (diff | hist) . . (+4,080)‎ . . 2000 PMWC Problems ‎
• 16:44, 20 April 2014 (diff | hist) . . (+159)‎ . . N 2000 PMWC Problems/Problem I15 ‎ (Created page with "==Problem== The sum of several positive integers is <math>20</math>. Find the largest product that can be formed by these integers. ==Solution== ==See Also==")
• 16:44, 20 April 2014 (diff | hist) . . (+591)‎ . . N 2000 PMWC Problems/Problem I14 ‎ (Created page with "==Problem== A copy machine has a following enlargement/reduction buttons: <cmath>\begin{tabular}{|l|l|l|l|l|l|l|} \hline 250\% & 200\% & 128\% & 125\% & 100\% & 50\% & 10\% \\ \...") (current)
• 16:38, 20 April 2014 (diff | hist) . . (+786)‎ . . N 2000 PMWC Problems/Problem I13 ‎ (Created page with "==Problem== In the figure, the squares <math>ABCD</math> and <math>DCEG</math> both have the same area of <math>64cm^2</math>. <math>EFG</math> is a semicircle. The point <math>F...") (current)
• 16:37, 20 April 2014 (diff | hist) . . (+725)‎ . . N 2000 PMWC Problems/Problem I12 ‎ (Created page with "==Problem== During the rest hour, one of five students (<math>A</math>, <math>B</math>, <math>C</math>, <math>D</math>, and <math>E</math>) dropped a glass of water. The followin...")
• 16:36, 20 April 2014 (diff | hist) . . (+287)‎ . . N 2000 PMWC Problems/Problem I11 ‎ (Created page with "==Problem== You have a pack of cards, among which are <math>20</math> red, <math>20</math> yellow, <math>20</math> green and <math>10</math> blue ones. How many cards would you n...") (current)
• 16:34, 20 April 2014 (diff | hist) . . (+289)‎ . . N 2000 PMWC Problems/Problem I10 ‎ (Created page with "==Problem== In the sum <math>\frac{a}{b}+\frac{c}{d}</math>, each letter represents a distinct digit from <math>1</math> to <math>9</math>. The sum is as close as possible to <ma...") (current)
• 16:33, 20 April 2014 (diff | hist) . . (+146)‎ . . N 2000 PMWC Problems/Problem I9 ‎ (Created page with "==Problem== Using only odd digits, all possible three-digit numbers are formed. Determine the sum of all such numbers. ==Solution== ==See Also==") (current)
• 16:32, 20 April 2014 (diff | hist) . . (+702)‎ . . N 2000 PMWC Problems/Problem I8 ‎ (Created page with "==Problem== A circle and a triangle are placed on intersections of the grid. The circle and the triangle are not allowed to lie on the same vertical and horizontal line. How many...") (current)
• 16:31, 20 April 2014 (diff | hist) . . (+458)‎ . . N 2000 PMWC Problems/Problem I7 ‎ (Created page with "==Problem== <math>a</math> and <math>b</math> are two numbers that have prime factors <math>3</math> and <math>5</math> only. <math>a</math> has <math>12</math> factors (<math>1<...") (current)
• 16:30, 20 April 2014 (diff | hist) . . (+336)‎ . . N 2000 PMWC Problems/Problem I6 ‎ (Created page with "==Problem== <math>p</math> is the product of two <math>4</math>-digit numbers formed by the digits <math>1,2,3,4,5,6,7,8</math> without any repetition. Find the largest value of ...") (current)
• 16:26, 20 April 2014 (diff | hist) . . (+296)‎ . . N 2000 PMWC Problems/Problem I5 ‎ (Created page with "==Problem== In a language college, <math>72\%</math> students can speak Chinese, <math>65\%</math> students can speak English, and <math>10\%</math> students can speak neither Ch...")
• 16:23, 20 April 2014 (diff | hist) . . (+185)‎ . . N 2000 PMWC Problems/Problem I4 ‎ (Created page with "==Problem== Given that <math>A^4=75600\times B</math>. If <math>A</math> and <math>B</math> are positive integers, find the smallest value of <math>B</math>. ==Solution== ==See...")
• 16:16, 20 April 2014 (diff | hist) . . (+149)‎ . . N 2000 PMWC Problems/Problem I3 ‎ (Created page with "==Problem== How many whole numbers less than <math>1000</math> contain at least one <math>2</math> but no <math>3</math>? ==Solution== ==See Also==") (current)
• 16:15, 20 April 2014 (diff | hist) . . (+199)‎ . . N 2000 PMWC Problems/Problem I2 ‎ (Created page with "==Problem== As far as we know, the greatest prime number is <math>2^{6972593}-1</math>. What is the remainder when <math>2^{6972593}-1</math> is divided by <math>5</math>? ==Sol...")
• 16:14, 20 April 2014 (diff | hist) . . (+14)‎ . . 2000 PMWC Problems/Problem I1 ‎ (→‎Solution)
• 16:12, 20 April 2014 (diff | hist) . . (+199)‎ . . N 2000 PMWC Problems/Problem I1 ‎ (Created page with "==Problem== <math>y</math> is a number that has <math>8</math> different factors (including the number <math>1</math> and itself). What is the smallest possible value of <math>y<...")
• 15:44, 20 April 2014 (diff | hist) . . (+378)‎ . . 2001 PMWC Problems ‎ (→‎Problem T9)
• 15:13, 20 April 2014 (diff | hist) . . (+555)‎ . . 2001 PMWC Problems ‎ (→‎Problem T3)
• 15:09, 20 April 2014 (diff | hist) . . (+255)‎ . . 1999 PMWC Problems ‎ (→‎Problem I10)
• 13:46, 20 April 2014 (diff | hist) . . (+911)‎ . . 1997 PMWC Problems ‎ ("Spring Cleaning" :))
• 13:44, 20 April 2014 (diff | hist) . . (+52)‎ . . 1997 PMWC Problems/Problem T10 ‎ (→‎Problem)
• 13:43, 20 April 2014 (diff | hist) . . (+14)‎ . . m 1997 PMWC Problems/Problem T9 ‎ (→‎Problem)
• 13:42, 20 April 2014 (diff | hist) . . (+29)‎ . . 1997 PMWC Problems/Problem T8 ‎ (→‎Problem) (current)

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