What is the least common multiple of 25, 16, and 40?
(F) 27
(G) 32
(H) 320
(J) 400
(K) 16,000
In the figure below, ray 
was constructed starting from rays 
and 
. By using a compass D and G were marked equidistant from E on rays and . The compass was then used to locate a point F, distinct from E, so that F is equidistant from D and G. For all constructions defined by the above steps, the measures of ∠DEF and ∠GEF:
(A)are equal. (B)are NOT equal. (C)sum to 30°. (D)sum to 45°. (E)sum to 60°.
Correct Answer: C
A DVD player with a list price of $100 is marked down 30%. If John gets an employee discount of 20% off the sale price, how much does John pay for the DVD player ?
(A)$86.00 (B)$77.60 (C)$56.00 (D)$50.00 (E)$44.00
Correct Answer: C
In the (x,y) coordinate plane below, points P (6,2) and Q (1,4) are two vertices of ΔPQR. If 
PQR is a right angle, then which of the following could be the coordinates of R?
(A) (4,-3) (B) (3, 0) (C) (2, 1) (D) (2, 4) (E) (3, 9)
Correct Answer: E
More ACT Math Exam Questions
- 1
In the following figure, line aand line b are parallel and pass through the points shown. What is the equation for line b?
- 2The sum, S, of an arithmetic sequence with first term x1 is given by
, where n is the number of terms in the sequence. The sum of 5 consecutive terms in a given arithmetic sequence is 145, and x5 is 48. What is the sixth term of this sequence? - 3On his first day working out, Anthony did 30 push-ups. On each successive day, he did exactly 3 more push-ups than on the previous day. After completing his push-ups on the 30th day, how many push-ups had he completed on all 30 days?
- 4
Which of the following defines the solution set for the system of inequalities given below?
0 > 3x - 6
-4 < x - 5Which of the following is a simplified version of
whenever x ≠ 0?