Annette took 10 minutes to walk around a rectangular field. The length of the field is 4 times its width. How long would it take Annette to walk the width of the field?
(A) 1 minute
(B) 2 minutes
(C) 3 minutes
(D) 4 minutes
(E) 5 minutes
In a data set of 5 points, the mean, median, and mode are each equal to 8. Which of the following could be the data set?
(F) {5, 7, 8, 8, 12} (G) {7, 7, 8, 8, 12} (H) {7, 8, 8, 8, 12} (J) {7, 8, 8, 10, 12} (K) {7, 8, 8, 12, 12}
Correct Answer: F
If function f is defined by f(x) = -2x3, then what is the value of f(f(1))?
（A）-16 （B） -8 （C） 4 （D） 8 （E） 16
Correct Answer: E
Alfred and Rani both picked different two-digit numbers. If you multiply Alfred’s number by 5 and double Rani’s number, the sum is 300. If you double Alfred’s number and multiply Rani’s number by 3, the sum of the two numbers is 252. What is the sum of their two numbers?
(F) 96(G) 112(H) 128(J) 144(K) 150
Correct Answer: F
More ACT Math Exam Questions
- 1If the average number of carbon dioxide molecules per cubic inch in a container is 3 × 104 and there are 6 × 108 molecules of carbon dioxide in the container, what is the volume of the container in cubic inches?
- 2What is a good score on the ACT for a 10th grader?
- 3
In the triangle below, the lengths of the two given sides are measured in centimeters. What is the value, in centimeters, of x?
- 4
In the figure shown below,
and 
are parallel and 
= 
. If 
ABC is 130° and BAF is 22°, what is the measure of AEF?
- 5
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)?
