What is the smallest positive integer that is divisible by 3, divisible by 5, and divisible by 6 (with no remainders)?
(A)15
(B) 30
(C) 60
(D) 90
(E) 180
The perimeter of an elliptical billiard table is to be covered with red
velvet. The perimeter of an ellipse is given by the formula 
, where l is the length and w
is the width, as shown in the diagram below. If the length is 4 feet
and the width is 3 feet, what is the outside perimeter of the ellipse in
feet?
（A）
π 
（B） 
(4 + 3)
（C） 
π
（D） (4π + 3)
（E） 5π
Correct Answer: A
The stem-and-leaf plot below shows the scores for each golfer in a recent tournament at the Lehigh Valley Golf Club. There were 13 golfers participating in the tournament.
(Note: For example, a score of 72 would have a stem value of 7 and a leaf value of 2.) Which of the following is closest to the mean score of all the golfers in the tournament?
（A）72 （B） 74.4 （C） 75 （D） 75.9 （E） 83
Correct Answer: D
More ACT Math Exam Questions
- 1
The following figure shows f(x), which includes points L,M,and nplus the line segments and . Which of the following functions is equivalent to f(x)?
- 2Aleksandra began collecting model airplanes in May of 2008. The number of model airplanes that she owns in each month can be modeled by the function A(m) = 2m + 2, where m = 0 corresponds to May. Using this model, how many model airplanes would you expect Aleksandra to own in December of 2008?
- 3
Points (2, - 2) and (3,10) lie on the same line in the standard (x,y) coordinate plane. What is the slope of this line?
- 4
On the xy-plane, what is the area of a circle with this equation: (x+ 3)2+ (y– 4)2= 49?
- 5
The table below gives the values of f(x) for selected values of x in the function f(x) = (x + 4)2 - 1, where x and y are both real numbers.
x f(x) -7 8 -5