ACT - Math - 查题吧

单选题

Events A, B, and C occur every 5 days,3 days, and 8 days, respectively. What is the number

A. 45
B. 65
C. 80
D. 90
E. 120

单选题

In the standard (x,y) coordinate plane, if a triangle with vertices (3,21), (24,1), and (1,23) is translated 2 units up and 3 units to the right, what are the new coordinates of the triangle’s vertices？

A. (5,2) ; (22,4) ; (3,0)
B. (6,1) ; (21,4) ; (4,26)
C. (1,0) ; (21,3) ; (22,1)
D. (5,22) ; (1,3) ; (4,21)
E. (6,1) ; (21,3) ; (4,21)

单选题

One marble is to be drawn randomly from a bag that contains three red marbles, two blue marbles, and one green marble. What is the probability of drawing a blue marble？

A. 1/6
B. 1/5
C. 2/7
D. 1/3
E. 2/5

单选题

In a basketball passing drill, 5 basketball players stand evenly spaced around a circle. The player with the ball(the passer) passes it to another player (the receiver).The receiver cannot be the player to the passer’s immediate right or left and cannot be the player who last passed the ball. A designated player begins the drill as the first passer. This player will be the receiver for the first time on which pass of the ball？

A. 4th
B. 5th
C. 6th
D. 10th
E. 24th

单选题

A copy machine makes 60 copies per minute. A second copy machine makes 80 copies per minute. The second machine starts making copies 2 minutes after the first machine starts. Both machines stop making copies 8 minutes after the first machine started. Together, the 2 machines made how many copies？

A. 480
B. 600
C. 680
D. 720
E. 960

单选题

If the information in the table were converted into a circle graph (pie chart), then the central angle of the sector for Gomez would measure how many degrees？

A. 54°
B. 72°
C. 90°
D. 108°
E. 144°

单选题

If the value of XYZ Company stock drops from $25 per share to $21 per share, what is the percent of decrease？

A. 20
B. 16
C. 12
D. 8
E. 4

单选题

Two competitors battle each other in each match of a tournament with six participants. What is the minimum number of matches that must occur for every competitor to battle every other competitor？

A. 21
B. 18
C. 16
D. 15
E. 12

单选题

What is the perimeter of a rectangle whose length is three times its width and whose area

A. 18 centimeters
B. 16 centimeters
C. 15 centimeters
D. 8 centimeters
E. 4 centimeters

单选题

In the standard (x,y) coordinate plane, what is the slope of the line through (3,7) and (-2,4)？

A. 3/5
B. 2/3
C. 5/3
D. 2
E. 3

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