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451
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Are all of the numbers in a certain list of 15 numbers equal?(1)The sum of all the numbers in the list is 60.(2)The sum of any 3 numbers in the list is 12.
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452
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If the average (arithmetic mean) of six numbers is 75, how many of the numbers are equal to 75 ?(1)None of the six numbers is less than 75.(2)None of the six numbers is greater than 75.
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453
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What amount did Jean earn from the commission on her sales in the first half of 1988 ?(1)In 1988 Jean's commission was 5 percent of the total amount of her sales.(2)The amount of Jean's sales in the second half of 1988 averaged $10,000 per month more than in the first half.
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454
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 In the figure above, if the area of triangular region D is 4, what is the length of a side of square region A ?(1)The area of square region B is 9.(2)The area of square region C is $$\frac{64}{9}$$
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455
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If n is a positive integer and $$k = {5.1}*{10}^{n}$$, what is the value of k ?(1)$$6,000 < k < 500,000$$(2)$${k}^{2}={2.601}*{10}^{9}$$
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456
|
 What is the value of x + y in the figure above?(1)W=95(2)Z=125
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457
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If n and k are positive integers, is $$\sqrt{n+k} >2\sqrt{n}$$?(1)$$k > 3n$$(2)$$n + k > 3n$$
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458
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In a certain business, production index p is directly proportional to efficiency index e, which is in turn directly proportional to investment index i. What is p if i = 70 ?(1)e = 0.5 whenever i = 60.(2)p = 2.0 whenever i = 50.
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459
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If n is a positive integer, what is the tens digit of n ?(1)The hundreds digit of 10n is 6.(2)The tens digit of n + 1 is 7.
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460
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What is the value of $$\frac{(2t+t-x)}{(t-x)}$$(1)$$\frac{2t}{t-x}=3$$(2)t-x=5
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461
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If n > 4, what is the value of the integer n ?
1. $$\frac{n!}{(n-3)!}$$ =$$\frac{3!n!}{4!(n-4)!}$$
2. $$\frac{n!}{3!(n-3)!}$$ +$$\frac{n!}{4!(n-4)!}$$ =$$\frac{(n+1)!}{4!(n-3)!}$$
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462
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Is $$\frac{t}{3} >\frac{w}{5}$$?(1) w >t(2) 5t >3w
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463
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Is $${x}{y} >{x}^{2}{y}^{2}$$?(1)$${14}{x}^{2}={3}$$(2)$${y}^{2}={1}$$
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464
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In a survey of retailers, what percent had purchased computers for business purposes?(1) 85 percent of the retailers surveyed who owned their own store had purchased computers for business purposes.(2) 40 percent of the retailers surveyed owned their own store.
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465
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There are 2 groups of students who took a history test. Was the average (arithmetic mean) score of the students in Group A higher than the average score of the students in Group B who took the test?
(1) Of the students who took the test, 10 were in Group A and 12 were in Group B.
(2) On the test, the highest score achieved was achieved by a Group B student and the lowest score achieved was achieved by a Group A student.
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466
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At a certain clothing store, customers who buy 2 shirts pay the regular price for the first shirt and a discounted price for the second shirt. The store makes the same profit from the sale of 2 shirts that it makes from the sale of 1 shirt at the regular price. For a customer who buys 2 shirts, what is the discounted price of the second shirt?
(1) The regular price of each of the 2 shirts the customer buys at the clothing store is $16.
(2) The cost to the clothing store of each of the 2 shirts the customer buys is $12.
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467
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A certain computer company produces two different monitors, P and Q. In 2010, what was the net profit from the sale of the two monitors?
(1) Of the company's expenses in 2010, rent and utilities totaled $500,000.
(2) In 2010, the company sold 50,000 units of monitor P at $300 per unit and 30,000 units of monitor Q at $650 per unit.
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