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• 2000 AIME I Problems/Problem 15
  ...th> to <math>96</math> alternate in fake-real-fake-real, where we have the correct order of cards once the first <math>96</math> have moved and we can start p ...the spacing of the cards moved, <math>a</math> is an integer such that the correct first card is moved, and <math>k</math> is an integer greater than or equal
  15 KB (2,673 words) - 19:16, 6 January 2024
• 2000 AIME I Problems/Problem 5
  ...ing <math>2</math> and <math>7</math> for <math>w_1</math> does not give a correct product. Thus, <math>\frac{27}{50}</math> must be a reduced form of the ac
  7 KB (1,011 words) - 20:09, 4 January 2024
• 2001 AIME I Problems/Problem 6
  ...ination counts only one of the permutations; we can say that it counts the correct (ascending order) permutation. ...sformations of the problem, a recursion formula can be a robust way to the correct answer.
  11 KB (1,729 words) - 20:50, 28 November 2023
• 2003 AIME II Problems/Problem 13
  ...th> and <math>C</math>. Oh wait they are symmetric. So then if this is the correct answer, why am I wrong, or what happened to that factor of <math>3</math>?"
  15 KB (2,406 words) - 23:56, 23 November 2023
• 2002 AIME II Problems/Problem 10
  ...bsent-minded professor failed to notice that his calculator was not in the correct angular mode. He was lucky to get the right answer. The two least positive
  2 KB (336 words) - 19:30, 24 June 2020
• 2000 AIME II Problems/Problem 13
  ...math>, so no real solution exists for <math>x</math>. Thus our solution is correct.
  6 KB (1,060 words) - 17:36, 26 April 2024
• 2005 AMC 10B Problems/Problem 24
  ...math>11</math> while <math>(a-b)</math> is a factor of nine (1 or 9). The correct guesses are <math>a = 6, b = 5</math> causing <math>x = 65, y = 56,</math>
  5 KB (845 words) - 19:23, 17 September 2023
• 2006 AMC 12A Problems/Problem 3
  ...h>, we see <math>6\cdot8=30+18</math>. Therefore, we can see our answer is correct.
  1 KB (155 words) - 17:30, 16 December 2021
• 2006 AMC 12A Problems/Problem 8
  Thus, the correct answer is <math>\boxed{\textbf{(C) }3}.</math> Note to readers: make sure to always read the problem VERY carefully before attempting; it could mean the differ
  3 KB (450 words) - 02:00, 13 January 2024
• 2006 AMC 12A Problems/Problem 9
  ...= 72</math>. 28 is not divisible by 3, so we know that this number is not correct. Moving on to 7, <math>13 \cdot 7 = 91</math>. We know that 9 is a multiple
  3 KB (429 words) - 18:14, 26 September 2020
• Furman University Wylie Mathematics Tournament
  The test is scored as 1 point for each correct answer, 0 points for blank answers, and -.25 for incorrect answers except f
  2 KB (365 words) - 21:21, 18 March 2017
• University of South Carolina High School Math Contest/1993 Exam/Problem 20
  ...lifying of the brackets. Open the brackets and you should notice why it is correct. If you are also wondering whether or not if we got all the sets in the abo
  2 KB (263 words) - 18:13, 19 October 2021
• Pierre de Fermat
  ...rn techniques. However, a flaw was discovered soon after. Wiles managed to correct the proof by October 1994, thus solving the last of Fermat's problems. It i
  5 KB (860 words) - 17:10, 21 March 2023
• P versus NP
  The [[Clay Mathematics Institute]] has offered a USD \$1,000,000 prize for a correct solution, as it has listed it as one of its [[Millennium Problems]].
  6 KB (1,104 words) - 15:11, 25 October 2017
• Congruent (geometry)
  ...given side of <math>A'</math> on the straight line <math>a'</math>, we can always find one and only one point <math>B'</math> so that the segment <math>AB</m Every segment is congruent to itself; that is, we always have
  10 KB (1,655 words) - 21:43, 24 March 2022
• 2005 AMC 10A Problems/Problem 4
  So our correct answer choice is <math>\boxed{\textbf{(B) }\frac{2}{5}x^2}</math>
  2 KB (265 words) - 19:07, 25 December 2022
• Derangement
  ...c{1}{1} + \frac{1}{2} - \frac{1}{6}\right) = 2</math>, which we know to be correct.
  3 KB (473 words) - 12:57, 20 February 2024
• Cobb County Math Meets
  ...ive minute, twenty-five question multiple-choice test worth six points per correct response, and ten ciphering questions. Each ciphering question is worth te
  2 KB (307 words) - 20:25, 12 March 2012
• United States of America Computing Olympiad
  ...s. Every test case has equal weight within the problem. For each test case correct, you receive the points for the test case. Programs get 4 seconds per test Each test case will give feedback on how well your program did. Correct test cases show how much time and memory used. Incorrect test cases are dif
  2 KB (297 words) - 01:41, 21 January 2023
• Cyprus Mathematical Olympiad
  ...ts must answer 30 multiple choice mathematics problems in 60 minutes. Each correct answer gives 4 points, each wrong answer subtracts 1 point and no answer gi
  2 KB (366 words) - 14:26, 4 September 2017

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