| 143 |
In the picture gear 1 has 8 teeth, gear 2 has 24 t...
|
Combinatorics
|
| 142 |
N=8 x (8888........88); where there are k times 8 ...
|
Algebra
|
| 141 |
A man has infinite number of red, violet, white, g...
|
Combinatorics
|
| 140 |
How many regular polygons are possible that the su...
|
Geometry
|
| 139 |
If the numbers from 1 to 100 are written....
|
Combinatorics
|
| 138 |
Suppose Elina bought a pen at 10 taka.....
|
|
| 137 |
A triangle is inscribed in a circle with radius of...
|
Geometry
|
| 136 |
Suppose two numbers x and y are each chosen such.....
|
Probability
|
| 135 |
5
|
|
| 134 |
4
|
|
| 133 |
3
|
|
| 132 |
2
|
|
| 131 |
1
|
|
| 130 |
5
|
|
| 129 |
4
|
|
| 128 |
3
|
|
| 127 |
2
|
|
| 126 |
1
|
|
| 125 |
5
|
|
| 124 |
4
|
|
| 123 |
3
|
|
| 122 |
2
|
|
| 121 |
1
|
|
| 120 |
5
|
|
| 119 |
4
|
|
| 118 |
3
|
|
| 117 |
2
|
|
| 116 |
5
|
|
| 115 |
4
|
|
| 114 |
3
|
|
| 113 |
2
|
|
| 112 |
1
|
|
| 111 |
5
|
|
| 110 |
4
|
|
| 109 |
3
|
|
| 108 |
2
|
|
| 107 |
1
|
|
| 106 |
5
|
|
| 105 |
4
|
|
| 104 |
3
|
|
| 103 |
2
|
|
| 102 |
1
|
|
| 101 |
4
|
|
| 100 |
3
|
|
| 99 |
2
|
|
| 98 |
1
|
|
| 96 |
5
|
|
| 95 |
4
|
|
| 94 |
A number N has three digits when expressed in base...
|
|
| 93 |
2
|
|
| 92 |
1
|
|
| 91 |
5
|
|
| 90 |
Three fair six-sided dice are rolled. What is the ...
|
|
| 89 |
3
|
|
| 88 |
Central High School is competing against Northern ...
|
|
| 87 |
1
|
|
| 86 |
5
|
Probability
|
| 85 |
4
|
|
| 84 |
3
|
|
| 83 |
2
|
|
| 82 |
1
|
|
| 81 |
4
|
|
| 80 |
3
|
|
| 79 |
2
|
|
| 78 |
1
|
|
| 77 |
4
|
|
| 76 |
3
|
|
| 75 |
4
|
|
| 73 |
2
|
|
| 71 |
5
|
|
| 70 |
3
|
|
| 69 |
2
|
|
| 68 |
1
|
|
| 67 |
A set of teams held a round-robin tournament in wh...
|
|
| 66 |
One of Michael’s responsibilities in organizing th...
|
|
| 65 |
At a gathering of 30 people, there are 20 people w...
|
|
| 64 |
Eight people are sitting around a circular table, ...
|
|
| 63 |
Zou and Chou are practicing their
|
|
| 62 |
Five men and nine women stand equally spaced aroun...
|
|
| 61 |
When Jon Stewart walks up stairs he takes one or t...
|
|
| 60 |
5
|
|
| 59 |
3
|
|
| 58 |
4
|
|
| 57 |
3
|
|
| 56 |
3
|
|
| 55 |
2
|
|
| 54 |
1
|
|
| 53 |
Five men and nine women stand equally spaced aroun...
|
|
| 52 |
Eight people are sitting around a circular table, ...
|
|
| 51 |
At a gathering of 30 people, there are 20 people w...
|
|
| 50 |
How many positive cubes divide
|
|
| 49 |
When Jon Stewart walks up stairs he takes one or t...
|
|
| 48 |
The 5x5 grid shown contains a collection of square...
|
|
| 47 |
Henry's Hamburger Haven offers its hamburgers with...
|
|
| 46 |
Let S be the set of permutations of the sequence 1...
|
|
| 45 |
Pat is to select six cookies from a tray containin...
|
|
| 44 |
Four distinct circles are drawn in a plane. What i...
|
|
| 43 |
An auditorium with 20 rows of seats has 10 seats i...
|
|
| 42 |
How many different patterns can be made by shading...
|
|
| 41 |
There are 120 seats in a row. What is the fewest n...
|
|