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题目：

Which of the following most logically completes the argument?

A significant number of Qualitex Corporation's department heads are due to retire this year. The number of employees other than current department heads who could take on the position of department head is equal to only about half of the expected vacancies. Oualitex is not going to hire department heads from outside the company or have current department heads take over more than one department, so some departments will be without department heads next year unless Qualitex ______.

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题目：

Business Analyst: National Motors began selling the Luxora-its new model of sedan-in June. Last week, National released sales figures for the summer months of June, July, and August that showed that by the end of August only 80,000 Luxoras had been sold. Therefore, National will probably not meet its target of selling 500,000 Luxoras in the model's first twelve months.

Which of the following would be most useful to establish in order to evaluate the analyst's prediction?

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题目： Throughout last year, a stylish jacket had a full price of P in a certain store. At the beginning of this year, the price of the jacket rose A% percent to this year's full price. Shortly after the beginning of this year, this store had a sale, and Jessica bought the jacket at B% less than this year's current full price, where B > A. How much did Jessica save, buying the jacket this year on sale, as compared to what she would have spent last year?Statement #1: P = $250Statement #2: B – A = 5

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题目： Is x > y?(1) x - y - 1 > 0(2) x - y + 1 > 0

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题目： If n and k are greater than zero, is$$\frac n k$$ an integer(1)n and k are both integers.(2)$${n}^{2}$$ and $${k}^{2}$$ are both integers.

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题目： In the decimal representation of x, where 0 < x < 1, is the tenths digit of x nonzero?(1) 16x is an integer.(2) 8x is an integer.

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题目： How many liters of apple juice were added to the cranberry juice in a certain container?(1)The amount of apple juice that was added was $$\frac3 2$$ the amount of cranberry juice in the container.(2)There were 5 liters of cranberry juice in the container.

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题目： If $$({2}-\sqrt{5}){x}=-{1}$$, then x =

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题目： A sum of money was divided between John and Anne such that the ratio of John's share to Anne's share was 5 to 3. If John's share exceeded $$\frac{5}{9}$$ of the sum of money by $50, what was Anne's share?

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题目： For a week Raymond is paid at the rate of x dollars per hour for the first 40 hours he works and y dollars per hour for the hours worked in excess of 40 hours. What is the value of y?(1) If Raymond works 46 hours in one week, he will earn $416.50.(2) Raymond's hourly rate for the hours worked in excess of 40 hours per week is 1.5 times his hourly rate for the first 40 hours.

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题目： Of the fruit that arrives at a cannery, 20 percent by weight is rejected before processing. Of the fruit that is processed, 15 percent by weight is rejected before canning. Of the fruit that arrives at the cannery, what percent by weight is canned?

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题目： What is the value of the two-digit integer x ?(1)The sum of the two digits is 3.(2)x is divisible by 3.

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题目： Is $$x<{y}$$?(1) The ratio of x to y is $$\frac{7}{9}$$.(2) $$xy >0$$

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题目： If n is the product of the integers from1 to 20 inclusive, what is the greatest integer k for which $${2}^{k}$$ is a factor of n?

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题目： Last month a certain music club offered a discount to preferred customers. After the first compact disc purchased, preferred customers paid $3.99 for each additional compact disc purchased. If a preferred customer purchased a total of 6 compact discs and paid $15.95 for the first compact disc, then the dollar amount that the customer paid for the 6 compact discs is equivalent to which of the following?