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• 01:48, 6 October 2014 (diff | hist) . . (+541)‎ . . Nm 2005 PMWC Problems/Problem T5 ‎ (Created page with "== Problem == Mr. Wong has a <math>7</math>-digit phone number <math>\text{ABCDEFG}</math>. The sum of the number formed by the first <math>4</math> digits <math>\text{ABCD}</mat...") (current)
• 01:47, 6 October 2014 (diff | hist) . . (+411)‎ . . Nm 2005 PMWC Problems/Problem T9 ‎ (Created page with "== Problem == Select 8 of the 9 given numbers: 2, 3, 4, 7, 10, 11, 12, 13, 15 and place them in the vacant squares so that the average of the numbers in each row and column...") (current)
• 01:46, 6 October 2014 (diff | hist) . . (+838)‎ . . N 2005 PMWC Problems/Problem I12 ‎ (Created page with "== Problem == In the figure below, <math>BCDE</math> is a parallelogram, points <math>F</math> and <math>G</math> are on the segment <math>ED</math>, <math>BCA</math> is a right ...") (current)
• 01:45, 6 October 2014 (diff | hist) . . (+1)‎ . . m 2005 PMWC Problems ‎ (→‎Problem I12)
• 01:44, 6 October 2014 (diff | hist) . . (+113)‎ . . m 2005 PMWC Problems ‎ (→‎Problem I12)
• 01:40, 6 October 2014 (diff | hist) . . (+233)‎ . . m 2005 PMWC Problems ‎ (→‎Problem I12)
• 01:14, 6 October 2014 (diff | hist) . . (+43)‎ . . m 2005 PMWC Problems ‎ (→‎Problem T9)
• 01:00, 6 October 2014 (diff | hist) . . (+256)‎ . . m 2007 iTest Problems ‎ (→‎Problem 52)
• 00:55, 6 October 2014 (diff | hist) . . (+117)‎ . . 2007 iTest Problems ‎ (→‎Problem 51)
• 00:44, 6 October 2014 (diff | hist) . . (-20)‎ . . m 2007 iTest Problems ‎ (→‎Problem 21)
• 00:42, 6 October 2014 (diff | hist) . . (+1,059)‎ . . m 2007 iTest Problems ‎ (→‎Problem 21)
• 00:31, 6 October 2014 (diff | hist) . . (+572)‎ . . m 2007 iTest Problems ‎ (→‎Problem 20)
• 00:21, 6 October 2014 (diff | hist) . . (+482)‎ . . m 2007 iTest Problems ‎ (→‎Problem 16)
• 00:14, 6 October 2014 (diff | hist) . . (+782)‎ . . m 2007 iTest Problems ‎ (→‎Problem 25)
• 22:07, 4 October 2014 (diff | hist) . . (+526)‎ . . N 2007 iTest Problems/Problem 14 ‎ (Created page with "== Problem == Let <math>\phi(n)</math> be the number of positive integers <math>k< n</math> which are relatively prime to <math>n</math>. For how many distinct values of <math>n...")
• 22:07, 4 October 2014 (diff | hist) . . (+542)‎ . . 2007 iTest Problems ‎ (→‎Problem 14)
• 22:03, 4 October 2014 (diff | hist) . . (+434)‎ . . N 2007 iTest Problems/Problem 13 ‎ (Created page with "== Problem == What is the smallest positive integer <math>k</math> such that the number <math>{{2k}\choose k}</math> ends in two zeros? <math>\text{(A) } 3 \quad \text{(B) } 4 ...")
• 21:59, 4 October 2014 (diff | hist) . . (+450)‎ . . 2007 iTest Problems ‎ (→‎Problem 13)
• 21:52, 4 October 2014 (diff | hist) . . (+431)‎ . . Nm 2007 iTest Problems/Problem 11 ‎ (Created page with "== Problem 11 == Consider the "tower of power" <math>2^{2^{2^{\cdot^{\cdot^\cdot^{2}}}}}</math>, where there are 2007 twos including the base. What is the last (units digit) of t...")
• 21:51, 4 October 2014 (diff | hist) . . (+31)‎ . . m 2007 iTest Problems/Problem 10 ‎
• 21:51, 4 October 2014 (diff | hist) . . (+532)‎ . . N 2007 iTest Problems/Problem 10 ‎ (Created page with "My grandparents are Arthur, Bertha, Christoph, and Dolores. My oldest grandparent is only <math>4</math> years older than my youngest grandparent. Each grandfather is two years o...")
• 21:37, 4 October 2014 (diff | hist) . . (+1,506)‎ . . Nm 2007 iTest Problems/Problem 12 ‎ (Created page with "This problem is phrased oddly, leading to the non-standard result of <math>\frac{3}{2}</math> instead of the standard <math>\frac{9}{8}</math>. Label the teams A,B. If A wins th...")
• 21:00, 4 October 2014 (diff | hist) . . (+45)‎ . . m 2007 iTest Problems ‎ (→‎Problem 12)
• 21:00, 4 October 2014 (diff | hist) . . (+45)‎ . . m 2007 iTest Problems ‎ (→‎Problem 11)
• 20:46, 4 October 2014 (diff | hist) . . (-9)‎ . . m 2007 iTest Problems ‎ (→‎Problem 12)
• 20:45, 4 October 2014 (diff | hist) . . (+658)‎ . . 2007 iTest Problems ‎ (→‎Problem 12)
• 03:09, 4 October 2014 (diff | hist) . . (-6)‎ . . m 2007 iTest Problems ‎ (→‎Problem 11)
• 03:09, 4 October 2014 (diff | hist) . . (+405)‎ . . 2007 iTest Problems ‎ (→‎Problem 11)
• 02:58, 4 October 2014 (diff | hist) . . (+505)‎ . . m 1978 AHSME Problems ‎ (→‎Problem 21)
• 02:50, 4 October 2014 (diff | hist) . . (+12)‎ . . m 1978 AHSME Problems ‎ (→‎Problem 27)
• 02:49, 4 October 2014 (diff | hist) . . (+2)‎ . . m 1978 AHSME Problems ‎ (→‎Problem 24)
• 02:49, 4 October 2014 (diff | hist) . . (+1)‎ . . m 1978 AHSME Problems ‎ (→‎Problem 18)
• 02:48, 4 October 2014 (diff | hist) . . (-25)‎ . . m 1978 AHSME Problems ‎ (→‎Problem 6)
• 02:46, 4 October 2014 (diff | hist) . . (+15,014)‎ . . N 1978 AHSME Problems ‎ (Created page with "== Problem 1 == If <math>1-\frac{4}{x}+\frac{4}{x^2}=0</math>, then <math>\frac{2}{x}</math> equals <math>\textbf{(A) }-1\qquad \textbf{(B) }1\qquad \textbf{(C) }2\qquad \textb...")
• 21:19, 3 October 2014 (diff | hist) . . (+128)‎ . . m 1962 AHSME Problems/Problem 21 ‎ (→‎Solution) (current)
• 21:18, 3 October 2014 (diff | hist) . . (+129)‎ . . m 1962 AHSME Problems/Problem 20 ‎ (→‎Solution)
• 21:17, 3 October 2014 (diff | hist) . . (+128)‎ . . m 1962 AHSME Problems/Problem 19 ‎ (→‎Solution) (current)
• 21:17, 3 October 2014 (diff | hist) . . (+129)‎ . . m 1962 AHSME Problems/Problem 18 ‎ (→‎Solution) (current)
• 21:17, 3 October 2014 (diff | hist) . . (+128)‎ . . m 1962 AHSME Problems/Problem 17 ‎ (→‎Solution)
• 21:16, 3 October 2014 (diff | hist) . . (+129)‎ . . m 1962 AHSME Problems/Problem 16 ‎ (→‎Solution) (current)
• 21:16, 3 October 2014 (diff | hist) . . (+129)‎ . . m 1962 AHSME Problems/Problem 15 ‎ (→‎Solution)
• 21:16, 3 October 2014 (diff | hist) . . (+128)‎ . . m 1962 AHSME Problems/Problem 14 ‎ (→‎Solution) (current)
• 21:15, 3 October 2014 (diff | hist) . . (+128)‎ . . m 1962 AHSME Problems/Problem 13 ‎ (→‎Solution)
• 21:15, 3 October 2014 (diff | hist) . . (+128)‎ . . m 1962 AHSME Problems/Problem 12 ‎ (→‎Solution) (current)
• 21:15, 3 October 2014 (diff | hist) . . (+128)‎ . . m 1962 AHSME Problems/Problem 11 ‎ (→‎Solution) (current)
• 21:14, 3 October 2014 (diff | hist) . . (+127)‎ . . m 1962 AHSME Problems/Problem 10 ‎ (→‎Solution) (current)
• 21:14, 3 October 2014 (diff | hist) . . (+127)‎ . . m 1962 AHSME Problems/Problem 9 ‎ (→‎Solution) (current)
• 21:14, 3 October 2014 (diff | hist) . . (+126)‎ . . m 1962 AHSME Problems/Problem 8 ‎ (→‎Solution) (current)
• 21:14, 3 October 2014 (diff | hist) . . (+113)‎ . . m 1962 AHSME Problems/Problem 7 ‎ (→‎Solution)
• 21:13, 3 October 2014 (diff | hist) . . (+127)‎ . . m 1962 AHSME Problems/Problem 6 ‎ (→‎Solution)

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