25 November 2015

• 14:4214:42, 25 November 2015 diff hist +490 2015 AMC 8 Problems →Problem 2
• 14:3914:39, 25 November 2015 diff hist +968 N 2015 AMC 8 Problems/Problem 19 Created page with "A triangle with vertices as <math>A=(1,3)</math>, <math>B=(5,1)</math>, and <math>C=(4,4)</math> is plotted on a <math>6\times5</math> grid. What fraction of the grid is cover..."
• 14:3814:38, 25 November 2015 diff hist +424 N 2015 AMC 8 Problems/Problem 20 Created page with "Ralph went to the store and bought 12 pairs of socks for a total of \$24. Some of the socks he bought cost \$1 a pair, some of the socks he bought cost \$3 a pair, and some of..."
• 14:3814:38, 25 November 2015 diff hist +1,325 N 2015 AMC 8 Problems/Problem 18 Created page with "An arithmetic sequence is a sequence in which each term after the first is obtained by adding a constant to the previous term. For example, <math>2,5,8,11,14</math> is an arit..."
• 14:3714:37, 25 November 2015 diff hist +1,347 N 2015 AMC 8 Problems/Problem 21 Created page with "In the given figure hexagon <math>ABCDEF</math> is equiangular, <math>ABJI</math> and <math>FEHG</math> are squares with areas <math>18</math> and <math>32</math> respectively..."
• 14:3214:32, 25 November 2015 diff hist +580 N 2015 AMC 8 Problems/Problem 25 Created page with "One-inch squares are cut from the corners of this 5 inch square. What is the area in square inches of the largest square that can be fitted into the remaining space? <math> ..."
• 14:3114:31, 25 November 2015 diff hist +801 N 2015 AMC 8 Problems/Problem 12 Created page with "How many pairs of parallel edges, such as <math>\overline{AB}</math> and <math>\overline{GH}</math> or <math>\overline{EH}</math> and <math>\overline{FG}</math>, does a cube h..."
• 14:3014:30, 25 November 2015 diff hist +492 2015 AMC 8 Problems/Problem 2 No edit summary
• 14:2414:24, 25 November 2015 diff hist −602 2015 AMC 8 Problems/Problem 2 No edit summary
• 14:2414:24, 25 November 2015 diff hist +602 2015 AMC 8 Problems/Problem 2 No edit summary
• 14:2114:21, 25 November 2015 diff hist −1 2015 AMC 8 Problems/Problem 2 No edit summary
• 14:2014:20, 25 November 2015 diff hist +2 2015 AMC 8 Problems/Problem 2 No edit summary
• 14:1614:16, 25 November 2015 diff hist +434 N 2015 AMC 8 Problems/Problem 3 Created page with "Jack and Jill are going swimming at a pool that is one mile from their house. They leave home simultaneously. Jill rides her bicycle to the pool at a constant speed of <math>1..."
• 14:1514:15, 25 November 2015 diff hist +241 N 2015 AMC 8 Problems/Problem 14 Created page with "Which of the following integers cannot be written as the sum of four consecutive odd integers? <math>\textbf{(A)}\text{ 16}\quad\textbf{(B)}\text{ 40}\quad\textbf{(C)}\text{ ..."
• 14:1414:14, 25 November 2015 diff hist +411 N 2015 AMC 8 Problems/Problem 4 Created page with "The Centerville Middle School chess team consists of two boys and three girls. A photographer wants to take a picture of the team to appear in the local newspaper. She decides..."
• 14:1314:13, 25 November 2015 diff hist +255 N 2015 AMC 8 Problems/Problem 6 Created page with "In <math>\bigtriangleup ABC</math>, <math>AB=BC=29</math>, and <math>AC=42</math>. What is the area of <math>\bigtriangleup ABC</math>? <math>\textbf{(A) }100\qquad\textbf{(B..."
• 14:1314:13, 25 November 2015 diff hist +395 N 2015 AMC 8 Problems/Problem 7 Created page with "Each of two boxes contains three chips numbered <math>1</math>, <math>2</math>, <math>3</math>. A chip is drawn randomly from each box and the numbers on the two chips are mul..."
• 14:1214:12, 25 November 2015 diff hist +555 N 2015 AMC 8 Problems/Problem 16 Created page with "In a middle-school mentoring program, a number of the sixth graders are paired with a ninth-grade student as a buddy. No ninth grader is assigned more than one sixth-grade bud..."
• 14:1114:11, 25 November 2015 diff hist +217 N 2015 AMC 8 Problems/Problem 10 Created page with "How many integers between <math>1000</math> and <math>9999</math> have four distinct digits? <math>\textbf{(A) }3024\qquad\textbf{(B) }4536\qquad\textbf{(C) }5040\qquad\textb..."
• 14:1114:11, 25 November 2015 diff hist +471 N 2015 AMC 8 Problems/Problem 15 Created page with "At Euler Middle School, <math>198</math> students voted on two issues in a school referendum with the following results: <math>149</math> voted in favor of the first issue and..."
• 14:1014:10, 25 November 2015 diff hist +413 N 2015 AMC 8 Problems/Problem 9 Created page with "On her first day of work, Janabel sold one widget. On day two, she sold three widgets. On day three, she sold five widgets, and on each succeeding day, she sold two more widge..."
• 14:1014:10, 25 November 2015 diff hist +351 N 2015 AMC 8 Problems/Problem 17 Created page with "Jeremy's father drives him to school in rush hour traffic in 20 minutes. One day there is no traffic, so his father can drive him 18 miles per hour faster and gets him to scho..."
• 14:0914:09, 25 November 2015 diff hist +664 N 2015 AMC 8 Problems/Problem 22 Created page with "On June 1, a group of students is standing in rows, with 15 students in each row. On June 2, the same group is standing with all of the students in one long row. On June 3, th..."
• 14:0814:08, 25 November 2015 diff hist +441 N 2015 AMC 8 Problems/Problem 5 Created page with "Billy's basketball team scored the following points over the course of the first 11 games of the season: <cmath>42, 47, 53, 53, 58, 58, 58, 61, 64, 65, 73</cmath> If his team ..."
• 14:0814:08, 25 November 2015 diff hist +313 N 2015 AMC 8 Problems/Problem 13 Created page with "How many subsets of two elements can be removed from the set <math>\{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11\}</math> so that the mean (average) of the remaining numbers is 6? <mat..."
• 14:0714:07, 25 November 2015 diff hist +462 N 2015 AMC 8 Problems/Problem 24 Created page with "A baseball league consists of two four-team divisions. Each team plays every other team in its division <math>N</math> games. Each team plays every team in the other division ..."
• 14:0614:06, 25 November 2015 diff hist +567 N 2015 AMC 8 Problems/Problem 11 Created page with "In the small country of Mathland, all automobile license plates have four symbols. The first must be a vowel (A, E, I, O, or U), the second and third must be two different let..."
• 14:0314:03, 25 November 2015 diff hist +748 N 2015 AMC 8 Problems/Problem 23 Created page with "Tom has twelve slips of paper which he wants to put into five cups labeled <math>A</math>, <math>B</math>, <math>C</math>, <math>D</math>, <math>E</math>. He wants the sum of ..."
• 14:0214:02, 25 November 2015 diff hist +266 N 2015 AMC 8 Problems/Problem 8 Created page with "What is the smallest whole number larger than the perimeter of any triangle with a side of length <math> 5</math> and a side of length <math>19</math>? <math>\textbf{(A) }24\..."

20 March 2015

• 18:2418:24, 20 March 2015 diff hist −1 m 2015 AIME I Problems/Problem 2 →Solution
• 18:2418:24, 20 March 2015 diff hist −212 2015 AIME I Problems/Problem 2 →Solution