555-605 (Medium)
If a = − 0.3 , which of the following is true?
505-555 (Easy)
On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains. If on the first three days of the vacation the probability of rain on each day is 0.2, what is the probability that Malachi will return home at the end of the day on the following Monday?
605-655 (Medium)
The price of lunch for 15 people was $207 including a 15% gratuity for service. What was the average price per person, EXCLUDING the gratuity?
555-605 (Medium)
A bar over a sequence of digits in a decimal indicates that the sequence repeats indefinitely. What is the value of (10 4 − 10 2) (0.00 12 ¯ ¯) (10 4 − 10 2) (0.00 12 ¯) ?
505-555 (Easy)
In a certain game, a large container is filled with red, yellow, green, and blue beads worth, respectively, 7, 5, 3, and 2 points each. A number of beads are then removed from the container. If the product of the point values of the removed beads is 147,000, how many red beads were removed?
Sub 505 (Easy)
150 is what percent of 30 ?
Sub 505 (Easy)
The average (arithmetic mean) score on a test taken by 10 students was x. If the average score for 5 of the students was 8, what was the average score, in terms of x, for the remaining 5 students who took the test?
Sub 505 (Easy)
The diagram above shows the various paths along which a mouse can travel from point X, where it is released, to point Y, where it is rewarded with a food pellet. How many different paths from X to Y can the mouse take if it goes directly from X to Y without retracing any point along a path?
Sub 505 (Easy)
On the graph above, when x = 1/2, y = 2; and when x = 1, y = 1. The graph is symmetric with respect to the vertical line at x = 2. According to the graph, when x = 3, y =
Sub 505 (Easy)
Circle.png [ 3.73 KiB | Viewed 74313 times ]
The circle with center C shown above is tangent to both axes. If the distance from O to C is equal to k, what is the radius of the circle, in terms of k ?
555-605 (Medium)
Each • in the mileage table above represents an entry indicating the distance between a pair of the five cities. If the table were extended to represent the distances between all pairs of 30 cities and each distance were to be represented by only one entry, how many entries would the table then have?
Sub 505 (Easy)
Angles.png [ 9.95 KiB | Viewed 50676 times ]
In the figure above, if z = 50, then x + y =
Sub 505 (Easy)
OPR.png [ 3.26 KiB | Viewed 38266 times ]
In the rectangular coordinate system above, if point R (not shown) lies on the positive y-axis and the area of triangle ORP is 12, what is the y-coordinate of point R?
Sub 505 (Easy)
A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 80 percent of the remaining rolls were sold between noon and closing time. How many dozen rolls had not been sold when the bakery closed yesterday?
Sub 505 (Easy)
A factory has 500 workers, 15 percent of whom are women. If 50 additional workers are to be hired and all of the present workers remain, how many of the additional workers must be women in order to raise the percent of women employees to 20 percent?
Sub 505 (Easy)
A positive number x is multiplied by 2, and this product is then divided by 3. If the positive square root of the result of these two operations equals x, what is the value of x ?
605-655 (Medium)
A, B, K start from the same place and travel in the same direction at speeds of 30km/hr, 40km/hr, 60km/hr respectively. B starts two hours after A. If B and K overtake A at the same instant, how many hours after A did K start?
Sub 505 (Easy)
List I: 3, 6, 8, 19
List II: x, 3, 6, 8, 19
If the median of the numbers in list I above is equal to the median of the numbers in list II above, what is the value of x?
Sub 505 (Easy)
Thirty percent of the members of a swim club have passed the lifesaving test. Among the members who have
not
passed the test, 12 have taken the preparatory course and 30 have not taken the course. How many members are there in the swim club?
Sub 505 (Easy)
Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?