In a game, 100 marbles numbered 0-99 are placed into a box. A player draws 1 marble at random from the box. Without replacing the first marble, the player draws a second marble at random. If both marbles drawn have the same tens digit (that is, both are numbered 0-9 or 10-19 or 20-29, etc.), the player is a winner. If the first marble drawn is numbered 56, what is the probability that Terry will be a winner on the next draw?
70 is 10% of what number?
（A）7 （B） 63 （C） 77 （D） 700 （E） 7,000
Correct Answer: D
If a cube has a volume of kcm3and a surface area of 10k cm2, what is its height in centimeters?
(F) (G) (H) (J) (K)
Correct Answer: H
"If Jenny is home, then her car is in the driveway." If the previous statement is true, then which of the following must also be true?
（A）"If Jenny's car is in the driveway, then she is home." （B） "If Jenny is not home, then her car is in the driveway." （C） "If Jenny is not home, then her car is not in the driveway." （D） "If Jenny's car is not in the driveway, then she is home." （E） "If Jenny's car is not in the driveway, then she is not home."
Correct Answer: E
More ACT Math Exam Questions
If , what is the value of a?
- 2A guide wire for a telephone tower makes an angle of 50° with the level ground and is 14 meters from the base of the tower. How many meters long is the guide wire?
- 3A rope 55 feet long is cut into two pieces. If one piece is 23 feet longer than the other, what is the length, in feet, of the shorter piece?
- 4If x = 3T + 4 and y = 5 - T, then which of the following equations expresses y in terms of x?
- 5The mean of 4 numbers in a data set is 7. If 3 of these numbers are 2, 4, and 10, then which of the following is the fourth number?