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PREP07 Test 2
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 Isaac can purchase a certain item in four different ways, as shown in the table. What is the lowest price for which he can purchase this item?
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PREP07 Test 2
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Bob invested $2,000 in fund A and $1,000 in fund B. Over the next two years, the money in fund A earned a total interest of 12 percent for the two years combined and the money in fund B earned 30 percent annual interest compounded annually. Two years after Bob made these investments, Bob's investment in fund A was worth how much more than his investment in fund B ?
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PREP07 Test 2
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The distributor of cases of a certain beverage charges $60 per case for orders of 1 to 5 cases, $50 per case for orders of 6 to 20 cases, and $45 per case for orders of more than 20 cases. If the distributor filled three orders, one for 3 cases of the beverage, one for 11 cases of the beverage, and one for 30 cases of the beverage, what was the total amount the distributor charged for the orders?
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PREP07 Test 2
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Two members of a club are to be selected to represent the club at a national meeting. If there are 190 different possible selections of the 2 members, how many members does the club have?
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PREP07 Test 2
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 The table shows the number of residents in a certain development who are willing to contribute to build a swimming pool, provided the required contribution does not exceed the amount indicated by the resident. The following three amounts are being considered as the required contribution. Which would ensure that more than half of the residents contribute to build the pool? Ⅰ.$33 Ⅱ.$48 Ⅲ.$55
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PREP07 Test 2
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Helen, Jim, and Ivan each purchased some books at a bookstore. Helen purchased 4 books and Jim purchased 1 book. If the 3 people purchased an average (arithmetic mean) of 2 books per person, how many books did Ivan purchase?
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PREP07 Test 2
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One morning Emily recorded the time that it took to read each of her e-mail messages. The times, in seconds, were 32, 18, 20, 29, and 21. How many seconds greater was the average (arithmetic mean) time than the median time?
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PREP07 Test 2
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In the infinite sequence $$a_1$$,$$a_2$$,$$a_3$$,...,$$a_n$$,..., each term after the first is equal to twice the previous term. If $$a5-a2=12$$, what is the value of a1 ?
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PREP07 Test 2
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$$(-3)^{(-2)} =$$
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PREP07 Test 2
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If x < 0, then $$\sqrt{(-x|x|)}$$ is
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PREP07 Test 2
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If 0 < x < 1, which of the following inequalities must be true?Ⅰ. $$x^5 < x^3$$ Ⅱ.$$x^4+x^5 < x^3+x^2$$ Ⅲ. $$x^4-x^5 < x^2-x^3$$
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PREP07 Test 2
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If $$(\frac{2}{3})^{n}=(\frac{3}{2})^{2}$$, what is the value of n ?
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PREP07 Test 2
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 If A and B represent single digits in the correctly worked computation above, what is the value of A+B?
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PREP07 Test 2
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$${(3^{-2})}^{-3}=$$
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PREP07 Test 1
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If m > 0 and n > 0, is $${(m+x)\over(n+x)}>\frac{m}{n}$$ ?(1) m < n(2) x > 0
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PREP07 Test 1
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What was Jean's insurance premium in 1995 ?(1) The ratio of Jean's insurance premium in 1995 to her insurance premium in 1994 was $$\frac{6}{5}$$.(2) Jean's insurance premium in 1995 was 20 percent more than her insurance premium in 1994.
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PREP07 Test 1
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The sequence $$a_1, a_2, a_3, . . . ,a_n$$ of n integers is such that $$a_k = k$$ if k is odd and $$a_k = -a_{k-1}$$ if k is even. Is the sum of the terms in the sequence positive?(1) n is odd.(2) $$a_n$$ is positive.
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PREP07 Test 1
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Is $${(x+1)\over(x-3)}<0$$?(1) -1 < x < 1(2) $$x^2 - 4 < 0$$
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PREP07 Test 1
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If $1,000 is deposited in a certain bank account and remains in the account along with any accumulated interest, the dollar amount of interest, I , earned by the deposit in the first n years is given by the formula $$I = 1000[(1+\frac{r}{100})^n-1]$$, where r percent is the annual interest rate paid by the bank. Is the annual interest rate paid by the bank greater than 8 percent?(1) The deposit earns a total of $210 in interest in the first two years.(2) $$(1+\frac{r}{100})^2>1.15$$
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PREP07 Test 1
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Is x > 0.05?(1) $$x > \frac{3}{40}$$(2) x is greater than 3 percent of 50.
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