Sub 505 (Easy)
The price of a certain television set is discounted by 10 percent, and the reduced price is then discounted by 10 percent. This series of successive discounts is equivalent to a single discount of
Sub 505 (Easy)
In Country X a returning tourist may import goods with a total value of 500orlesstaxfree,butmustpayan8percenttaxontheportionofthetotalvalueinexcessof500. What tax must be paid by a returning tourist who imports goods with a total value of $730 ?
Sub 505 (Easy)
During a two-week period, the price of an ounce of silver increased by 25 percent by the end of the first week and then decreased by 20 percent of this new price by the end of the second week. If the price of silver was x dollars per ounce at the beginning of the two-week period, what was the price, in dollars per ounce, by the end of the period?
505-555 (Easy)
Company K's earnings were $12 million last year. If this year's earnings are projected to be 150 percent greater than last year's earnings, what are Company K's projected earnings this year?
Sub 505 (Easy)
In a poll of 66,000 physicians, only 20 percent responded; of these, 10 percent disclosed their preference for pain reliever X. How many of the physicians who responded did not disclose a preference for pain reliever X?
505-555 (Easy)
At a certain pizzeria, 1/8 of the pizzas sold in one week were mushroom and 1/3 of the remaining pizzas sold were pepperoni. If n of the pizzas sold were pepperoni, how many were mushroom?
Sub 505 (Easy)
Members of a social club met to address 280 newsletters. If they addressed 1/4 of the newsletters during the first hour and 2/5 of the remaining newsletters during the second hour, how many newsletters did they address during the second hour?
555-605 (Medium)
In a certain pond, 50 fish were caught, tagged, and returned to the pond. A few days later, 50 fish were caught again, of which 2 were found to have been tagged. If the percent of tagged fish in the second catch approximates the percent of tagged fish in the pond, what is the approximate number of fish in the pond?
555-605 (Medium)
A corporation that had 115.19billioninprofitsfortheyearpaidout230.10 million in employee benefits. Approximately what percent of the profits were the employee benefits? (Note: 1 billion = 10^9)
Sub 505 (Easy)
In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined, what percent of the machine parts were defective?
Sub 505 (Easy)
If 18 is 15 percent of 30 percent of a certain number, what is the number?
505-555 (Easy)
Which of the following fractions is equal to the decimal 0.0625 ?
Sub 505 (Easy)
31
125
=
31
125
=
Sub 505 (Easy)
3 * 0.072 0.54 =
Sub 505 (Easy)
If k is an integer and 0.0010101*10^k is greater than 1,000, what is the least possible value of k ?
505-555 (Easy)
What is the value of 2 x 2 − 2.4 x − 1.7 for x = 0.7 ?
555-605 (Medium)
If the numbers 17/24, 1/2, 3/8, 3/4, and 9/16 were ordered from greatest to least, the middle number of the resulting sequence would be
Sub 505 (Easy)
In which of the following pairs are the two numbers reciprocals of each other? I. 3 and 1/3 II. 1/17 and -1/17 III. √ 3 √ and √ 3 3 √ 3
Sub 505 (Easy)
Of the following, the closest approximation to 5.98 (601.5) 15.79 − − − − √ 5.98 (601.5) 15.79 is