Halfway through a 100-shot archery tournament, Chelsea leads by 50 points. For each shot a bullseye scores 10 points, with other possible scores being 8, 4, 2, and 0 points. Chelsea always scores at least 4 points on each shot. If Chelsea's next shots are bullseyes she will be guaranteed victory. What is the minimum value for
?
42
There are coins placed flat on a table according to the figure. What is the order of the coins from top to bottom?
C, E, D, A, B
Find the remainder when 1919 is divided by 5.
4
Two right circular cylinders have the same volume. The radius of the second cylinder is more than the radius of the first. What is the relationship between the heights of the two cylinders?
The height of the first is 21% more than the second
Every week Roger pays for a movie ticket and a soda out of his allowance. Last week, Roger's allowance was dollars. The cost of his movie ticket was
of the difference between
and the cost of his soda, while the cost of his soda was
of the difference between
and the cost of his movie ticket. To the nearest whole percent, what fraction of
did Roger pay for his movie ticket and soda?
23
The eighth grade class at Lincoln Middle School has students. Each student takes a math class or a foreign language class or both. There are
eighth graders taking a math class, and there are
eighth graders taking a foreign language class. How many eighth graders take only a math class and not a foreign language class?
39
Do there exist integers a and b such that a + b = 544 and whose greatest common divisor is 11? If so, find a and b.
No
Rectangle is inscribed in a semicircle with diameter
as shown in the figure. Let
and let
What is the area of
240
What is the value of
6
Alice has apples. In how many ways can she share them with Becky and Chris so that each of the three people has at least two apples?
190
How many zeros are there at the end of 1000!?
248
Two circles of equal radius have an overlap area of
and the total area covered by the circles is
. What is the value of
?
4
If , and
, what is the value of
?
15
Five different awards are to be given to three students. Each student will receive at least one award. In how many different ways can the awards be distributed?
150
Find all integers n such that n leaves a remainder of 2 when divided by 3, a remainder of 2 when divided by 4 and a remainder of 1 when divided by 5.
n=26 (mod 60)
Sides and
of equilateral triangle
are tangent to a circle at points
and
respectively. What fraction of the area of
lies outside the circle?
4/3 - (4sqrt(3)pi)/27
Two geometric sequences and
have the same common ratio, with
,
, and
. Find
.
363
A set of square blocks is arranged into a
square. How many different combinations of
blocks can be selected from that set so that no two are in the same row or column?
600
Find the last two digits of 77^7
43
In with
point
lies strictly between
and
on side
and point
lies strictly between
and
on side
such that
The degree measure of
is
where
and
are relatively prime positive integers. Find
547