In a certain board game, a stack of 48 cards, 8 of which represent shares of stock, are shuffled and then placed face down.If the first 2 cards selected do not represent shares of stock, what is the probability that the third card selected will represent a share of stock?
E
(A)1/8
(B)1/6
(C)1/5
(D)3/23
(E)4/23
73.8845-!-item-!-187;#058&006119
A certain company has 18 equally qualified applicants for 4 open positions.How many different groups of 4 applicants can be chosen by the company to fill the positions if the order of selection does not matter?
E
(A) 18
(B) 72
(C) 180
(D) 1,260
(E) 3,060
At a dinner party, 5 people are to be seated around a circular table.Two seating arrangements are considered different only when the positions of the people are different relative to each other.What is the total number of different possible seating arrangements for the group?C
(A) 5
(B) 10
(C) 24
(D) 32
(E) 120
87.9993-!-item-!-187;#058&007019
In the addition table shown above, what is the value of m + n ?C
(A) -19
(B)4
(C)5
(D)6
(E)22
158.16572-!-item-!-187;#058&010847
The perimeter of a certain isosceles right triangle is16+16√2. What is the length of the hypotenuse of the triangle?
(A) 8
(B) 16
(C) 4√2
(D) 8√2
(E) 16√2
63.7612-!-item-!-187;#058&005607
For which of the following functions is f(a + b) = f(a) + f(b) for all positive numbers a and b ?
E
(A) f(x) = x 2
(B) f(x) = x + 1
(C) f(x) =√x
(D) f(x) = 2/x
(E) f(x) = -3x
182.19831-!-item-!-187;#058&012571
The table shows the number of shares of each of the 5 stocks owned by Mr. Sami.If Mr. Sami was to sell 20 shares of Stock X and buy 24 shares of Stock Y, what would be the increase in the range of the numbers of shares of the 5 stocks owned by Mr. Sami?
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
发表于 2011-11-1 14:24:50
收藏
收藏
楼主