[外语类试卷]GRE（QUANTITATIVE）综合模拟试卷6及答案与解析.doc

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1、GRE（ QUANTITATIVE）综合模拟试卷 6及答案与解析 0 Find the following. (a)40% of 15 (b)150% of 48 (c)0.6% of 800 (d)15 is 30% of which number? (e)11 is what percent of 55? 6 If a persons salary increased from $200 per week to $234 per week, what was the percent increase in the persons salary? 7 If an athletes weigh

2、t decreased from 160 pounds to 152 pounds, what was the percent decrease in the athletes weight? 8 A particular stock is valued at $40 per share. If the value increases by 20 percent and then decreases by 25 percent, what will be the value of the stock per share after the decrease? 9 If the ratio of

3、 the number of men to the number of women on a committee of 20 members is 3 to 2, how many members of the committee are women? 10 The integer a is even and the integer b is odd. For each of the following integers, indicate whether the integer is even or odd. 11 When the positive integer n is divided

4、 by 3, the remainder is 2 and when n is divided by 5, the remainder is 1. What is the least possible value of n? 11 Find an algebraic expression to represent each of the following. (a)The square of y is subtracted from 5, and the result is multiplied by 37. (b)Three times x is squared, and the resul

5、t is divided by 7. (c)The product of(x + 4)and y is added to 18. GRE（ QUANTITATIVE）综合模拟试卷 6答案与解析 1 【正确答案】 6 2 【正确答案】 72 3 【正确答案】 4.8 4 【正确答案】 50 5 【正确答案】 0.2 6 【正确答案】 0.17 7 【正确答案】 0.05 8 【正确答案】 $36 per share 9 【正确答案】 8 women 10 【正确答案】 11 【正确答案】 11 12 【正确答案】 37(5-y2),or 185-37y2 13 【正确答案】 14 【正确答案】 18 +(x + 4)(y), or 18 + xy + 4y