| 40 |
When Jon Stewart walks up stairs he takes one or t...
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| 39 |
A large equilateral triangle is constructed by usi...
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| 38 |
Using the letters A, M, O, S, and U, we can form f...
|
|
| 37 |
Points R, S and T are vertices of an equilateral t...
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| 36 |
The Fibonacci sequence $1,1,2,3,5,8,13,21,...... s...
|
|
| 35 |
One thousand unit cubes are fastened together to f...
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| 34 |
For some real number r, the polynomial (8x^3-4x^2-...
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|
| 33 |
what is on
|
|
| 32 |
Tina randomly selects two distinct numbers from th...
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|
| 31 |
The number of diagonals that can be drawn in a pol...
|
|
| 30 |
Six straight lines are drawn in a plane with no tw...
|
|
| 29 |
Professor Gamble buys a lottery ticket, which requ...
|
|
| 28 |
Pat is to select six cookies from a tray containin...
|
|
| 27 |
Three planets orbit a star circularly in the same ...
|
|
| 26 |
In a 6 x 4 grid (6 rows, 4 columns), 12 of the 24 ...
|
|
| 25 |
Let the set S = {8, 5, 1, 13, 34, 3, 21, 2}. Susan...
|
|
| 24 |
Let a, b, and c be three distinct one-digit number...
|
|
| 23 |
Two sides of a triangle have lengths 10 and 15. Th...
|
|
| 22 |
A frog is placed at the origin on the number line,...
|
|
| 21 |
Each of two boxes contains both black and white ma...
|
|
| 20 |
Cozy the Cat and Dash the Dog are going up a stair...
|
|
| 19 |
Given a triangle with side lengths 15, 20, and 25,...
|
|
| 18 |
Given that a, b, and c are non-zero real numbers, ...
|
|
| 17 |
What is the least positive integer that is not a f...
|
|
| 16 |
Let n>3 be a positive integer. Equilateral triangl...
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|
| 15 |
A parking lot has 16 spaces in a row. Twelve cars ...
|
|
| 14 |
Let r, s be two positive integers and P a 'chessbo...
|
|
| 13 |
In the figure below, there are 4 distinct dots A, ...
|
|
| 12 |
In a drawer Sandy has 5 pairs of socks, each pair ...
|
|
| 11 |
Call a positive integer monotonous if it is a one-...
|
|
| 10 |
Suppose that 4 cards labeled 1 to 4 are placed ran...
|
|
| 9 |
Of the 20 lightbulbs in a box, 2 are defective. An...
|
|
| 8 |
Bob and Alice each have a bag that contains one ba...
|
|
| 7 |
The sum of the first 10 terms of an arithmetic seq...
|
|
| 6 |
A group of 10 friends are ordering pizzas for a pa...
|
|
| 5 |
A bag contains 5 red balls and 7 blue balls. If tw...
|
|
| 4 |
A box contains 2 pennies, 4 nickels, and 6 dimes. ...
|
|
| 3 |
For a certain probability experiment, the probabil...
|
|
| 2 |
Of the 40 specimens of bacteria in a dish, 3 speci...
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|