- 搜标题
- 搜题干
- 搜选项
单项选择题
On a certain road, 10 percent of the motorists exceed the posted speed limit and receive speeding tickets, but 20 percent of the motorists who exceed the posted speed limit do not receive speeding tickets. What percent of the motorists on that road exceed the posted speed limit ？（）
A.A
B.B
C.C
D.D
E.E
你可能感兴趣的试题
percent simple annual interest. How much more interest would Mary have received if the interest rate on this certificate had been 9 
percent simple annual interest ？（）
of the air in a tank is removed with each stroke of a vacuum pump, what fraction of the original amount of air has been removed after 4 strokes ？（）
as many violets as carnation，and 
as many tulips as violets．If there are equal numbers of roses and tulips，what percent of the flowers in the shop are carnations
years．If Pat’s parents invested $5,000 in a long-term and that pays 8 percent interest, compounded annually, what will be the approximate total amount of the investment 18 years later, when Pat is ready for college ？
of the gasoline in tank X were pumped out the tank would be filled to 
of its capacity.
percent of this amount quarterly, and has already paid $42.00, for how many months has she been paying back her loan ？
usable, in which ease the cost would be $0.80 per usable yard. If it was later found that only 
of the bolt could be used, what was the actual cost per usable yard
, what is the ratio of men to women employed by Company S in 1976 ？（）
times as much the second year as the first year and 
times as much the third year as the first year. What was the scientist’s income the second year ？
of the total and depreciation accounted for 
of the remainder. The cost of insurance was 3 times the cost of financing, and together these two costs accounted for 
of the total. If the only other expenses were taxes and license fees, then the cost of financing was how much more or less than the cost of taxes and license fees ？
of the nondefective switches are rejected by mistake. If all the switches not rejected are sold, what percent of the switches sold by the factory are defective
, but less than 
, of the amount spent by the private health insurance companies for health care.
more votes than candidate Y, and Candidate Y received 
fewer votes than Candidate Z. If Candidate Z received 24, 000 votes, how many votes did Candidate X receive ？
. For a group of 200 newborn members of the population, approximately how many would be expected to survive the first 3 months of life ？
of the sum from the estate, and tile oldest child received of 
the remainder.
mile and $0.20 for each 
mile there after, then the taxi fare for a 3-mile ride was
of which were brown. The milliner sold 
of the hats including 
of the brown hats. What fraction of the unsold hats were brown ？（）
the amount he saved the second week and 
the amount he saved the third Week.
of its games has a record of 17 wins and 3 losses. What is the greatest number of the remaining games that the team can lose and still win at leas 
of all of its games ？
hours later. The second flight leaves Airport B every 20 minutes, beginning at 8:00 a.m., and arrives at Airport C 
hours later. The third flight leaves Airport C every hour, beginning at 8.45 a.m. What is the least total amount of time the passenger must spend between flights if all flights keep to their schedules ？
the decrease in the price per share of stock Y.
