A+Click : Olympiad Math Problems

Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticFind the smallest positive integer that must be added to . . .
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticWhich gives the smallest answer?
Olympiad Numbers and Arithmetic
How many digits are in the product of 2101 and 599?
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticChoose the answer without using a calculator. Which . . .
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticOn this target, I scored exactly 80. How many shots did . . .
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticWhich gives the largest answer?
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticWhat is the largest sum of two integers so that their . . .
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticThe date July 31, 1370 in MM/DD/YYYY format is a palindrome . . .
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticAn hour ago, I notched up 78987 kilometers on my odometer. . . .
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticMake two fractions with all the digits from 0 to 9. Use . . .
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticMake 33 by using three 3s and any math operators. How . . .
Olympiad Numbers and Arithmetic
Olympiad Math Numbers and ArithmeticPairs of primes separated by a single number are called . . .
Olympiad Algebra
Olympiad Math Algebra Find the sum of all the elements of this finite geometric . . .
Olympiad Algebra
Olympiad Math Algebra The last digit of the number 333 is:
Olympiad Algebra
Olympiad Math Algebra A perfect cube is an integer whose cube root is an integer. . . .
Olympiad Algebra
Olympiad Math Algebra Eugenia used 192 digits to number the pages in her diary. . . .
Olympiad Algebra
Olympiad Math Algebra How many digits are in the result of the expression? . . .
Olympiad Algebra
Olympiad Math Algebra How many 2-digit numbers have a tens digit that is smaller . . .
Olympiad Algebra
Olympiad Math Algebra Which of the following gives the biggest answer?
Olympiad Algebra
Olympiad Math Algebra Choose the answer without using a calculator. I multiply . . .
Olympiad Algebra
Olympiad Math Algebra A square game board begins with a dark square alternating . . .
Olympiad Algebra
Olympiad Math Algebra How many "yes or no" questions are needed to guess any . . .
Olympiad Geometry
Olympiad Math Geometry How many of the letters in the Russian alphabet have more . . .
Olympiad Geometry
Olympiad Math Geometry For which letter did I use the smallest amount of green . . .
Olympiad Geometry
Olympiad Math Geometry Each square is 1 square unit. What is the area of the . . .
Olympiad Geometry
Olympiad Math Geometry The figure shows a regular hexagon. What is the . . .
Olympiad Geometry
Olympiad Math Geometry I strike a pool ball from corner A of the rectangular . . .
Olympiad Geometry
Olympiad Math Geometry The squares have side lengths of 2 and 4. Find the area . . .
Olympiad Geometry
Olympiad Math Geometry The figure shows a regular octagon. What is the area of . . .
Olympiad Geometry
Olympiad Math Geometry The diagram illustrates a row of three squares formed by . . .
Olympiad Geometry
Olympiad Math Geometry Two lines and two diagonals are drawn through the center of . . .
Olympiad Geometry
Olympiad Math Geometry How many equilateral triangles can you create using six . . .
Olympiad Geometry
Olympiad Math Geometry A boy cuts a cardboard circle and only cuts 5 straight . . .
Olympiad Geometry
Olympiad Math Geometry How many planes of symmetry does a cube have?
Olympiad Geometry
Olympiad Math Geometry A six-pointed regular star consists of two areas. What is . . .
Olympiad Geometry
Olympiad Math Geometry The figure shows a red equilateral triangle inscribed . . .
Olympiad Geometry
Olympiad Math Geometry There are 2 identical circles. Circle A remains fixed . . .
Olympiad Geometry
Olympiad Math Geometry How many squares can you make using twelve identical . . .
Olympiad Geometry
Olympiad Math Geometry Twenty matchsticks form five squares (one 3x3 and four . . .
Olympiad Geometry
Olympiad Math Geometry Which of the nets can be folded into a box with a red . . .
Olympiad Geometry
Olympiad Math Geometry A ladder leans against a vertical wall. The top of the . . .
Olympiad Geometry
Olympiad Math Geometry All inner lines connect the corners of the big square and . . .
Olympiad Geometry
Olympiad Math Geometry The sizes of the sealed bottle with water are shown in the . . .
Olympiad Geometry
Olympiad Math Geometry How many equilateral triangles can you make using six . . .
Olympiad Geometry
Olympiad Math Geometry In a 3 x 3 grid, there are 8 lines that contain at least 3 . . .
Olympiad Geometry
Olympiad Math Geometry How many triangles are there?
Olympiad Geometry
Olympiad Math Geometry The following pattern is cut and folded to a square-based . . .
Olympiad Geometry
Olympiad Math Geometry I fold a square piece of paper in half four times without . . .
Olympiad Geometry
Olympiad Math Geometry Every face of a cube has at least one white edge. What . . .
Olympiad Geometry
Olympiad Math Geometry How many squares can be formed by joining four of these . . .
Olympiad Geometry
Olympiad Math Geometry How many more lines can I draw to make a shape that has a . . .
Olympiad Geometry
Olympiad Math Geometry I want to place together five identical shapes without . . .
Olympiad Geometry
Olympiad Math Geometry Compare areas F and G
Olympiad Geometry
Olympiad Math Geometry The left picture shows nine dots arranged in a 3 x 3 . . .
Olympiad Geometry
Olympiad Math Geometry What is the sum of the marked angles?
Olympiad Geometry
Olympiad Math Geometry The picture shows six equilateral triangles. The sides of . . .
Olympiad Geometry
Olympiad Math Geometry The shaded rhombus is formed by joining vertices of the . . .
Olympiad Geometry
Olympiad Math Geometry Which of these diagrams could be drawn without taking the . . .
Olympiad Geometry
Olympiad Math Geometry The diagram shows 15 billiard balls that fit exactly inside . . .
Olympiad Geometry
Olympiad Math Geometry What is the smallest number of segments that needs to be . . .
Olympiad Geometry
Olympiad Math Geometry The picture shows the areas of three rectangles. What is . . .
Olympiad Geometry
Olympiad Math Geometry This shape was formed by removing a small cube from a big . . .
Olympiad Geometry
Olympiad Math Geometry I want to cut round bread into eight equal pieces. . . .
Olympiad Geometry
Olympiad Math Geometry A girl wants to cut the paper into several equal pieces of . . .
Olympiad Geometry
Olympiad Math Geometry How many colored four-unit shapes can be placed inside the . . .
Olympiad Geometry
Olympiad Math Geometry Two triangles form seven separate regions. What is the . . .
Olympiad Geometry
Olympiad Math Geometry What fraction of the large equilateral triangle is colored?
Olympiad Geometry
Olympiad Math Geometry Four matchsticks form a square. How many non-overlapping . . .
Olympiad Geometry
Olympiad Math Geometry There are six ways to travel from point S to point F on a . . .
Olympiad Geometry
Olympiad Math Geometry The game Battleship (Battleships or Sea Battle) is a . . .
Olympiad Geometry
Olympiad Math Geometry Seven squares with side length of 1, 2, 2, 2, 3, 4, and 5 . . .
Olympiad Geometry
Olympiad Math Geometry I want to cut this shape into four pieces all of precisely . . .
Olympiad Geometry
Olympiad Math Geometry How many circles are needed to separate each star from all . . .
Olympiad Geometry
Olympiad Math Geometry I would like to cut the shape into the fewest possible . . .
Olympiad Geometry
Olympiad Math Geometry A, B, and C are squares with sides of length 1; D, E, and . . .
Olympiad Geometry
Olympiad Math Geometry I arrange 10 points so that 3 lines each go through 4 . . .
Olympiad Geometry
Olympiad Math Geometry Find the radius of the circle.
Olympiad Geometry
Olympiad Math Geometry In a city, there were seven bridges. There was a . . .
Olympiad Geometry
Olympiad Math Geometry Four matchsticks form a square. How many non-overlapping . . .
Olympiad Geometry
Olympiad Math Geometry A sphere fits inside a cube. The maximum possible ratio of . . .
Olympiad Geometry
Olympiad Math Geometry I want to cut a wooden cube that is five inches on each . . .
Olympiad Geometry
Olympiad Math Geometry I arranged twelve one-inch wooden sticks in a polygon with . . .
Olympiad Geometry
Olympiad Math Geometry Find the angle between two diagonals drawn on two faces of . . .
Olympiad Geometry
Olympiad Math Geometry What line divides the green polygon into two parts of equal . . .
Olympiad Geometry
Olympiad Math Geometry I need 1 + 4 + 9 + 16 + 25 = 55 cubes to build a pyramid . . .
Olympiad Geometry
Olympiad Math Geometry A bug walks from corner A of a room to corner B by only . . .
Olympiad Geometry
Olympiad Math Geometry What is the volume of the second glass compared to the . . .
Olympiad Geometry
Olympiad Math Geometry I take a map of the city where I live and lay it on my . . .
Olympiad Geometry
Olympiad Math Geometry I connected the midpoints of a polygon and constructed a . . .
Olympiad Geometry
Olympiad Math Geometry A pyramid and a tetrahedron with edges of the same length . . .
Olympiad Geometry
Olympiad Math Geometry Cut the shape into two pieces and create a square from . . .
Olympiad Geometry
Olympiad Math Geometry I need 1 + 9 + 25 = 35 cubes to build a pyramid with a . . .
Olympiad Geometry
Olympiad Math Geometry Find the missing part.
Olympiad Geometry
Olympiad Math Geometry If a square is four and a triangle is three, how many is a . . .
Olympiad Geometry
Olympiad Math Geometry Inspired by Boris Kordemsky. Four Knights problem: Cut . . .
Olympiad Geometry
Olympiad Math Geometry A square with a side length 20 has two vertices on the . . .
Olympiad Geometry
Olympiad Math Geometry What is the difference between the red area and the blue . . .
Olympiad Geometry
Olympiad Math Geometry How many 1x1 squares fit into the large square with the . . .
Olympiad Geometry
Olympiad Math Geometry The picture shows three squares with the side lengths of . . .
Olympiad Data Analysis
Olympiad Math Data Analysis How many stars will be in the fourth line of the pattern?
Olympiad Data Analysis
Olympiad Math Data Analysis Three boxes contain two coins each. One contains two . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Four kinds of apples are combined in a box. I select . . .
Olympiad Data Analysis
Olympiad Math Data Analysis By drawing two marks on a wooden ruler, we can measure 1, . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Four cowboys have a meeting in a saloon. Each cowboy has . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Which shape cannot be folded to form an open box?
Olympiad Data Analysis
Olympiad Math Data Analysis How many seconds were in 2012?
Olympiad Data Analysis
Olympiad Math Data Analysis Forty non-zero positive numbers are written in a row. The . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Make 727 by using three 7s. You can use any math operator . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Place the number tiles in the squares so that no two . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Anna (A), Bill (B), Cindy (C), and Daniel (D) work on a . . .
Olympiad Data Analysis
Olympiad Math Data Analysis How many different cubes can I make by using six different . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Logic puzzle: Counting down from 100 by one, which . . .
Olympiad Data Analysis
Olympiad Math Data Analysis What is the logic behind? What is correct answer?
Olympiad Data Analysis
Olympiad Math Data Analysis What is heavier than a cumulus cloud, which is about 1 . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Eight bugs are at the eight corners of an equilateral cube. . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Logic question. What is the easiest way to makethe . . .
Olympiad Data Analysis
Olympiad Math Data Analysis How many coins must you move to form two lines, each with . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Order the shape by weight from lightest to heaviest.
Olympiad Data Analysis
Olympiad Math Data Analysis Order the shape by weight from lightest to heaviest.
Olympiad Data Analysis
Olympiad Math Data Analysis A chess queen attacks all squares along its path . . .
Olympiad Data Analysis
Olympiad Math Data Analysis We want to merge 4 companies into one large company. How . . .
Olympiad Data Analysis
Olympiad Math Data Analysis A bus carrying 5 tourists travels to Dogland. Every tourist . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Alex and Bill both have some money. Alex is short of two . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Place the cards into two boxes so that the probability of . . .
Olympiad Data Analysis
Olympiad Math Data Analysis Arrange nine numbers in a circle so that the difference . . .
Olympiad Data Analysis
Olympiad Math Data Analysis You can throw as many darts at the board below. Some . . .
Olympiad Logic
Olympiad Math  Logic Each of four children has a photo. Anna and Bill's photos . . .
Olympiad Logic
Olympiad Math  Logic There are 20 students in a class. 12 students have red . . .
Olympiad Logic
Olympiad Math  Logic Tom writes a total of forty words on five blank cards. He . . .
Olympiad Logic
Olympiad Math  Logic Brad has as many brothers as sisters. How many more . . .
Olympiad Logic
Olympiad Math  Logic The total weight of Bob and his sister Anna is 155 . . .
Olympiad Logic
Olympiad Math  Logic Ten men met at a conference. Each man shook hands with . . .
Olympiad Logic
Olympiad Math  Logic The product of three consecutive whole numbers is 999900. . . .
Olympiad Logic
Olympiad Math  Logic Three referees, A, B, and C, are at the corners of a . . .
Olympiad Logic
Olympiad Math  Logic How many cubes will balance one sphere?
Olympiad Logic
Olympiad Math  Logic Alex needs six tacks to fix two rectangular pictures . . .
Olympiad Logic
Olympiad Math  Logic There is a set of 10 numbers. Five numbers are selected . . .
Olympiad Logic
Olympiad Math  Logic I want to fill a 4-litre bucket with milk using a 5-litre . . .
Olympiad Logic
Olympiad Math  Logic In the first week John made $1. He made 5 times more than . . .
Olympiad Logic
Olympiad Math  Logic Anna's income is seven-eighths that of Beatrice. Anna's . . .
Olympiad Logic
Olympiad Math  Logic The first six numbers in a sequence are shown on the right. . . .
Olympiad Logic
Olympiad Math  Logic The number 99! is very big. How many zeros are there at . . .
Olympiad Logic
Olympiad Math  Logic What is the sum of 99 consecutive integers, if a third of . . .
Olympiad Logic
Olympiad Math  Logic I arrange five marbles randomly in a ring. There are two . . .
Olympiad Logic
Olympiad Math  Logic The twins are of the same height. They place four . . .
Olympiad Logic
Olympiad Math  Logic Ten years ago, Bob was three times as old as Anna. Today, . . .
Olympiad Logic
Olympiad Math  Logic How many straight lines are needed to separate each star . . .
Olympiad Logic
Olympiad Math  Logic Two gears, one with 11 teeth and the other one with 18 . . .
Olympiad Logic
Olympiad Math  Logic You take half of syrup and mix it with the water, and then . . .
Olympiad Logic
Olympiad Math  Logic The matchsticks make a spiral that goes clockwise. How . . .
Olympiad Logic
Olympiad Math  Logic The figure shows a triangle made of discs. I want to move . . .
Olympiad Logic
Olympiad Math  Logic Two rectangles enclose five regions. Find 2 figures that . . .
Olympiad Logic
Olympiad Math  Logic In-Out Machine transforms 111121 into 100. The same . . .
Olympiad Logic
Olympiad Math  Logic An analogue clock loses 15 minutes each hour. If the . . .
Olympiad Logic
Olympiad Math  Logic The product of 2 integers is 1000. Find the smallest . . .
Olympiad Logic
Olympiad Math  Logic What is the condition for the smallest ten-digit integer . . .
Olympiad Logic
Olympiad Math  Logic A lady, attempting to avoid revealing her real age to her . . .
Olympiad Logic
Olympiad Math  Logic The addition shown here has 21 terms and the last element . . .
Olympiad Logic
Olympiad Math  Logic There is a total of 6 squares whose vertices are points on . . .
Olympiad Logic
Olympiad Math  Logic I put $990 into 10 envelopes. I try to compose all . . .
Olympiad Logic
Olympiad Math  Logic Alex has bills of different dollar values. There are five . . .
Olympiad Logic
Olympiad Math  Logic There are four brothers in a family. The sums of the ages . . .
Olympiad Logic
Olympiad Math  Logic In how many ways can the name ALEX be spelt out, using . . .
Olympiad Logic
Olympiad Math  Logic What number should replace the question mark?
Olympiad Logic
Olympiad Math  Logic What number should replace the question mark?
Olympiad Logic
Olympiad Math  Logic Find the missing figure.
Olympiad Logic
Olympiad Math  Logic Which shape fits in the missing space to complete the . . .
Olympiad Logic
Olympiad Math  Logic Three children and two adults want to cross a river. . . .
Olympiad Logic
Olympiad Math  Logic I wrote all the numbers from 0 to 999. Which digit did I . . .
Olympiad Logic
Olympiad Math  Logic How many different ways are there to go from A to B?
Olympiad Logic
Olympiad Math  Logic Each of these seven cells contains one number from 1 to 7, . . .
Olympiad Logic
Olympiad Math  Logic Two apples and two peppers have the same weight as three . . .
Olympiad Logic
Olympiad Math  Logic There are eight buckets; four of them are filled with . . .
Olympiad Logic
Olympiad Math  Logic I enclosed 9 apple trees using a large square fence. . . .
Olympiad Logic
Olympiad Math  Logic A group of gentlemen visited a produce shop. Each . . .
Olympiad Logic
Olympiad Math  Logic A number is said to be perfect if it is equal to the sum of . . .
Olympiad Logic
Olympiad Math  Logic The matchsticks make four small squares and one big square. . . .
Olympiad Logic
Olympiad Math  Logic A banker forgets which key fits in which of three keyholes. . . .
Olympiad Logic
Olympiad Math  Logic You have four piles: three piles with real coins and one . . .
Olympiad Logic
Olympiad Math  Logic Anna ran in the north direction at a speed of 8 km/h, Bobby . . .
Olympiad Logic
Olympiad Math  Logic I must balance any whole number load from 1 kg to 40 kg . . .
Olympiad Logic
Olympiad Math  Logic How many different lines can you draw through any two of . . .
Olympiad Logic
Olympiad Math  Logic A kitten has a 50/50 chance to be male or female. My cat . . .
Olympiad Logic
Olympiad Math  Logic If each row and each column of the square must contain . . .
Olympiad Logic
Olympiad Math  Logic Find the next letter in the sequence.
Olympiad Logic
Olympiad Math  Logic A bee crawls along the sides of the honeycomb hexagons. . . .
Olympiad Logic
Olympiad Math  Logic I would like to plant 10 trees in 5 rows of X trees. . . .
Olympiad Logic
Olympiad Math  Logic A farmer puts several pigs into three pens. None of the . . .
Olympiad Logic
Olympiad Math  Logic Thinking outside the box: 52 - 28 = 4 Which digit . . .
Olympiad Logic
Olympiad Math  Logic Large individual letters are differently priced. The . . .
Olympiad Logic
Olympiad Math  Logic I want to measure exactly six minutes from the moment I . . .
Olympiad Logic
Olympiad Math  Logic Bill (B), Cindy (C), and Daniel (D) work on a project. . . .
Olympiad Logic
Olympiad Math  Logic Logic riddle In a house, there are three switches on the . . .
Olympiad Logic
Olympiad Math  Logic A lot of money is in a box. None or just one inscription . . .
Olympiad Logic
Olympiad Math  Logic One hundred soldiers form a 10 x 10 square. From every . . .
Olympiad Logic
Olympiad Math  Logic What is the next letter in this series?
Olympiad Logic
Olympiad Math  Logic What is the smallest number of matchsticks you remove to . . .
Olympiad Logic
Olympiad Math  Logic A donkey must transport 900 carrots to the market, which is . . .
Olympiad Logic
Olympiad Math  Logic The figure shows a triangle made of discs. I want to move . . .
Olympiad Logic
Olympiad Math  Logic Logic riddle: In a house, there are three switches on the . . .
Olympiad Logic
Olympiad Math  Logic Five pieces of chain must be jointed into a long chain. . . .
Olympiad Logic
Olympiad Math  Logic Which direction is the London school minibus going?
Olympiad Logic
Olympiad Math  Logic Divide the circles into two groups so that the sums of the . . .
Olympiad Logic
Olympiad Math  Logic You work for seven days and receive a medal at the end of . . .
Olympiad Logic
Olympiad Math  Logic Which figure completes the sequence?
Olympiad Logic
Olympiad Math  Logic "Three sailors come across a pile of coconuts. The first . . .
Olympiad Logic
Olympiad Math  Logic United we stand, divided we fall. How many sets of . . .
Olympiad Logic
Olympiad Math  Logic Mount Everest is the Earth's highest mountain with a peak . . .
Olympiad Logic
Olympiad Math  Logic An Honesty shop sells the first candy for 1 Swiss franc and . . .
Olympiad Logic
Olympiad Math  Logic The numbers are the total of the values of the symbols . . .
Olympiad Logic
Olympiad Math  Logic Thinking outside the box. Solve this:
Olympiad Logic
Olympiad Math  Logic Which symbol goes next?
Olympiad Applied Math
Olympiad Math Applied MathThe number of hours left today is half of the number of . . .
Olympiad Applied Math
Olympiad Math Applied MathThe total price of an apple and a tangerine is 39 cents. . . .
Olympiad Applied Math
Olympiad Math Applied MathThe left clock runs slower at a rate of 6 minutes per hour. . . .
Olympiad Applied Math
Olympiad Math Applied MathIf three students eat three apples in 33 seconds, how long . . .
Olympiad Applied Math
Olympiad Math Applied MathA father wishes to divide a square piece of land among his . . .
Olympiad Applied Math
Olympiad Math Applied MathA city hall floor is to be tiled in the following pattern. . . .
Olympiad Applied Math
Olympiad Math Applied MathIt costs $24 to paint a cube. Before painting, it was cut . . .
Olympiad Applied Math
Olympiad Math Applied MathThe traveling salesman problem: a salesman has to visit 9 . . .
Olympiad Applied Math
Olympiad Math Applied MathHow many boxes measuring 1 x 2 x 3 can be packed into a . . .
Olympiad Applied Math
Olympiad Math Applied MathThe diagram illustrates five villages, A, B, C, D, and E, . . .
Olympiad Applied Math
Olympiad Math Applied MathEnclosed is a lamb using a 4-crosspiece log fence. What . . .
Olympiad Applied Math
Olympiad Math Applied MathHow many different nonzero weights can you measure with a . . .
Olympiad Applied Math
Olympiad Math Applied MathThree boys want to equally share three pancakes. The . . .
Olympiad Applied Math
Olympiad Math Applied MathA jigsaw puzzle consists of 250 identical pieces to spread . . .
Olympiad Applied Math
Olympiad Math Applied MathFind the best deal.
Olympiad Applied Math
Olympiad Math Applied MathYou have 240 golden bricks identical in size and appearance . . .
Olympiad Applied Math
Olympiad Math Applied MathI have a rectangular piece of cheese with a round hole. . . .
Olympiad Applied Math
Olympiad Math Applied MathI place 1000 coins in two columns of a wooden box. How . . .
Olympiad Applied Math
Olympiad Math Applied MathThe Lucas problem. François Édouard Anatole Lucas . . .
Olympiad Applied Math
Olympiad Math Applied MathThe red-line subway train arrives at a station every 5 . . .
Olympiad Applied Math
Olympiad Math Applied MathHow many 1x1 squares fit into the large square with the . . .
Olympiad Applied Math
Olympiad Math Applied MathWhat is the minimum number of cuts needed to cut a log . . .
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