21 June 2025

• 17:5117:51, 21 June 2025 diff hist +319 2009 AMC 10A Problems Undo revision 248966 by Wvpro (talk) Tag: Undo

6 December 2014

• 19:5219:52, 6 December 2014 diff hist 0 m 2014 USAMO Problems Fixed typo
• 19:5119:51, 6 December 2014 diff hist 0 m 2014 USAMO Problems/Problem 5 Fixed typo

26 April 2014

• 18:1018:10, 26 April 2014 diff hist +1,801 N 1958 AHSME Problems/Problem 44 Created page with "== Problem == Given the true statements: (1) If <math> a</math> is greater than <math> b</math>, then <math> c</math> is greater than <math> d</math> (2) If <math> c</math> is le..." current
• 17:0017:00, 26 April 2014 diff hist +589 N 1958 AHSME Problems/Problem 13 Created page with "== Problem == The sum of two numbers is <math> 10</math>; their product is <math> 20</math>. The sum of their reciprocals is: <math> \textbf{(A)}\ \frac{1}{10}\qquad \textbf{(B..."

25 April 2014

• 21:1021:10, 25 April 2014 diff hist 0 m 2005 PMWC Problems/Problem I2 →See also
• 21:0521:05, 25 April 2014 diff hist +848 N 2005 PMWC Problems/Problem T4 Created page with "== Problem == Buses from town A to town B leave every hour on the hour (for example: 6:00, 7:00, …). Buses from town B to town A leave every hour on the half hour (for example:..."
• 20:5620:56, 25 April 2014 diff hist −2 m 2005 PMWC Problems/Problem I10 No edit summary current
• 20:5120:51, 25 April 2014 diff hist +551 N 2005 PMWC Problems/Problem I10 Created page with "== Problem == A long string is folded in half eight times, then cut in the middle. How many pieces are obtained? == Solution == If the string is not folded at all, exactly <math..."

24 April 2014

• 11:3011:30, 24 April 2014 diff hist +1,847 N 2005 PMWC Problems/Problem I5 Created page with "== Problem == Consider the following conditions on the positive integer (natural number) <math>a</math>: 1. <math>3a + 5 > 40</math> 2. <math>49a \ge 301</math> 3. <math>20a \..." current

19 April 2014

• 20:1520:15, 19 April 2014 diff hist +45 1952 AHSME Problems →Problem 27
• 20:1420:14, 19 April 2014 diff hist +145 1952 AHSME Problems →Problem 27
• 20:1320:13, 19 April 2014 diff hist +680 1952 AHSME Problems/Problem 27 No edit summary current
• 15:0015:00, 19 April 2014 diff hist +500 1951 AHSME Problems/Problem 38 No edit summary
• 14:5914:59, 19 April 2014 diff hist +521 1951 AHSME Problems/Problem 27 No edit summary
• 14:5814:58, 19 April 2014 diff hist +567 1951 AHSME Problems/Problem 28 No edit summary
• 14:3914:39, 19 April 2014 diff hist +656 1951 AHSME Problems/Problem 29 No edit summary
• 14:3414:34, 19 April 2014 diff hist +607 1951 AHSME Problems/Problem 30 No edit summary
• 14:2814:28, 19 April 2014 diff hist +632 1951 AHSME Problems/Problem 35 No edit summary current
• 14:2114:21, 19 April 2014 diff hist +1,041 1951 AHSME Problems/Problem 36 No edit summary current
• 12:5912:59, 19 April 2014 diff hist +1,789 1951 AHSME Problems/Problem 39 No edit summary current
• 12:3612:36, 19 April 2014 diff hist +757 1951 AHSME Problems/Problem 40 No edit summary current
• 10:1410:14, 19 April 2014 diff hist +742 1951 AHSME Problems/Problem 41 No edit summary current
• 10:0110:01, 19 April 2014 diff hist +1,062 1951 AHSME Problems/Problem 43 No edit summary current

18 April 2014

• 17:0217:02, 18 April 2014 diff hist +76 1952 AHSME Problems →Problem 26
• 17:0117:01, 18 April 2014 diff hist +834 1952 AHSME Problems/Problem 26 No edit summary current
• 16:3216:32, 18 April 2014 diff hist +318 1952 AHSME Problems →Problem 25
• 16:2916:29, 18 April 2014 diff hist +1,183 1952 AHSME Problems/Problem 25 No edit summary
• 13:5413:54, 18 April 2014 diff hist +3,965 N 1986 USAMO Problems/Problem 1 Created page with "==Problem== <math>(\text{a})</math> Do there exist 14 consecutive positive integers each of which is divisible by one or more primes <math>p</math> from the interval <math>2\le p..."

17 April 2014

• 16:4516:45, 17 April 2014 diff hist +202 1962 AHSME Problems/Problem 33 No edit summary current
• 16:3716:37, 17 April 2014 diff hist +712 1962 AHSME Problems/Problem 34 No edit summary current
• 16:2216:22, 17 April 2014 diff hist +655 1962 AHSME Problems/Problem 35 No edit summary current
• 10:3710:37, 17 April 2014 diff hist +521 1962 AHSME Problems/Problem 19 No edit summary
• 10:2510:25, 17 April 2014 diff hist +417 1962 AHSME Problems/Problem 18 No edit summary
• 09:3109:31, 17 April 2014 diff hist +342 1962 AHSME Problems/Problem 17 No edit summary
• 09:0909:09, 17 April 2014 diff hist +536 1962 AHSME Problems/Problem 16 No edit summary

16 April 2014

• 22:0122:01, 16 April 2014 diff hist +777 1962 AHSME Problems/Problem 24 No edit summary current
• 20:4220:42, 16 April 2014 diff hist +517 1962 AHSME Problems/Problem 28 No edit summary current
• 20:2520:25, 16 April 2014 diff hist 0 1962 AHSME Problems/Problem 32 →Solution
• 20:2420:24, 16 April 2014 diff hist +552 1962 AHSME Problems/Problem 32 No edit summary
• 19:5519:55, 16 April 2014 diff hist +383 1962 AHSME Problems/Problem 14 No edit summary
• 15:2715:27, 16 April 2014 diff hist +298 1962 AHSME Problems/Problem 22 No edit summary current
• 15:2215:22, 16 April 2014 diff hist +345 1962 AHSME Problems/Problem 21 No edit summary
• 15:1115:11, 16 April 2014 diff hist +734 1962 AHSME Problems/Problem 20 No edit summary
• 15:0015:00, 16 April 2014 diff hist +336 1962 AHSME Problems/Problem 9 No edit summary
• 12:2012:20, 16 April 2014 diff hist +289 1962 AHSME Problems/Problem 12 No edit summary
• 12:0212:02, 16 April 2014 diff hist +134 1962 AHSME Problems/Problem 11 →Solution
• 11:1311:13, 16 April 2014 diff hist +492 1962 AHSME Problems/Problem 11 No edit summary
• 10:4910:49, 16 April 2014 diff hist +462 1951 AHSME Problems/Problem 26 No edit summary current

15 April 2014

• 21:3121:31, 15 April 2014 diff hist +1,724 1988 USAMO Problems/Problem 2 No edit summary