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GRE考满分·题库

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全部图表题专项练习分难度套题练习 GRE数学6000题170逐考点专项练习 GRE数学170超高频“脏”题 GRE数学170超高频“坑”题 GRE数学170超高频“神”题

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题目内容
If the sum of two numbers is 6, and the sum of their reciprocals is $$\frac{15}{8}$$, what is the product of the two numbers?
The fraction$$\frac{24}{36}$$ , when written in lowest terms, is $$\frac{a}{b}$$ , where a and b are positive numbers. Quantity A a+b Quantity B 6
For positive numbers a, b, and c, $$\frac{a·b}{c}=1 and\frac{c}{a} =4 $$ Quantity A b Quantity B 4
For positive numbers p and q,$$\frac{p+q}{p}=\frac{10}{7}$$ Quantity A $$\frac{p-q}{q}$$ Quantity B $$\frac{5}{3}$$
$$\frac{1}{3}+\frac{2}{5}$$ = p, and, in lowest terms, p =$$\frac{a}{b}$$ , where a and b are positive integers. Quantity A b Quantity B 10
The decimal r = 2.666666 continues forever in that repeating decimal pattern. When written as a fraction in lowest terms, r = $$\frac{a}{b}$$, where a and b are positive numbers. Quantity A a+b Quantity B 10
If a, b, and c are real numbers, which of the following must be true?
Which of the following when rounded to the nearest hundredths, are rounded to 4.17?
Which of the following, when rounded to the nearest integer, are rounded to 3?
If a, b, and c are real numbers, and a ≠ 0, which of the following must be true?
Both P and Q are positive numbers, and S is a negative number. Which of the following fractions could be undefined?

If $$\frac{1}{x}+\frac{1}{3}+\frac{1}{4}$$ = 1, then x =
In the Antares Corporation, $$\frac{3}{7}$$ of the managers are female. If there are 42 female managers, how many managers in total are there?
$$\frac{a}{b}+1\over{\frac{c}{b}}$$ In the expression above, a, b and c are different numbers and each is one of the numbers 2, 3 or 5. What is the greatest possible value of the expression?
Which of the following best represents the quotient $$\frac{P}{Q}$$?
Joan is allowed to invite 3 of her friends to join her on a family camping trip. If Joan has 10 friends, in how many ways can she invite 3 of them?
$$\frac{(10!-8!)}{7!}$$
Hal has 4 girl friends and 5 boy friends. In how many different ways can Hal invite 2 girls and 2 boys to his birthday party?
An office has 6 employees; there are 5 female employees and 1 male employee. In how many ways can a 3-person committee be created if the committee must include the male employee?

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