605-655 (Medium)
Which of the following fractions has the greatest value?
655-705 (Hard)
AVERAGE COSTS OF OPERATING SUBCOMPACT, COMPACT, AND MIDSIZE CARS IN THE UNITED STATES, 1982~1986
In 1984 the average cost of operating a subcompact car was approximately what percent less than the average cost of operating a midsized car?
505-555 (Easy)
How many bits of computer memory will be required to store the integer x, where x = - √ 810 , 000 − − − − √ if each digit requires 4 bits of memory and the sign of x requires 1 bit?
555-605 (Medium)
Last year, a certain public transportation system sold an average (arithmetic mean) of 41,000 tickets per day on weekdays (Monday through Friday) and an average of 18,000 tickets per day on Saturday and Sunday. Which of the following is closest to the total number of tickets sold last year?
555-605 (Medium)
Which of the following lists the number of points at which a circle can intersect a triangle?
605-655 (Medium)
Working alone, Printers X, Y, and Z can do a certain printing job, consisting of a large number of pages, in 12, 15, and 18 hours, respectively. What is the ratio of the time it takes Printer X to do the job, working alone at its rate, to the time it takes Printers Y and Z to do the job, working together at their individual rates?
705-805 (Hard)
A circular rim 28 inches in diameter rotates the same number of inches per second as a circular rim 35 inches in diameter. If the smaller rim makes x revolutions per second, how many revolutions per minute does the larger rim makes in terms of x ?
555-605 (Medium)
If there are 664,579 prime numbers among the first 10 million positive integers, approximately what percent of the first 10 million positive integers are prime numbers?
Sub 505 (Easy)
If 3 - x = 2x - 3, then 4x =
Sub 505 (Easy)
One inlet pipe fills an empty tank in 5 hours. A second inlet pipe fills the same tank in 3 hours. If both pipes are used together, how long will it take to fill 2/3 of the tank?
505-555 (Easy)
Mr. Hernandez, who was a resident of State X for only 8 months last year, had a taxable income of $22,500 for the year. If the state tax rate were 4 percent of the year’s taxable income prorated for the proportion of the year during which the taxpayer was a resident, what would be the amount of Mr. Hernandez’s State X tax for last year?
Sub 505 (Easy)
Which of the following is greater than 2/3?
505-555 (Easy)
The contents of a certain box consist of 14 apples and 23 oranges. How many oranges must be removed from the box so that 70 percent of the pieces of fruit in the box will be apples?
505-555 (Easy)
Of the following, which one is third greatest?
Sub 505 (Easy)
If x books cost 5eachandybookscost8 each, then the average (arithmetic mean) cost, in dollars per book, is equal to
705-805 (Hard)
A certain clock marks every hour by striking a number of times equal to the hour, and the time required for a stroke is exactly equal to the time interval between strokes. At 6:00 the time lapse between the beginning of the first stroke and the end of the last stroke is 22 seconds. At 12:00, how many seconds elapse between the beginning of the first stroke and the end of the last stroke?
Sub 505 (Easy)
For any positive integer n, n>1, the "length" of n is the number of positive primes (not necessarily distinct) whose product is n. For ex, the length of 50 is 3, since 50=2x5x5.
Which of the following integers has length 3 ?
Sub 505 (Easy)
61.24 * 0.998 2 403 − − √ 61.24 * 0.998 2 403 The expression above is approximately equal to
Sub 505 (Easy)
If a = 7 and b = − 7 , what is the value of 2 a − 2 b + b 2 ?
Sub 505 (Easy)
Three machines, individually, can do a certain job in 4, 5, and 6 hours, respectively. What is the greatest part of the job that can be done in one hour by two of the machines working together at their respective rates?