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111. A cost $5 each and C cost $2 each, the average revenue of both A’s tickets and C’s tickets? (C) 1) the ratio of the number of A to C is 3:2 2) A has 800 members answer: C [讨论] 112. M and J share and pay for the rent $800, by the same ratio from their monthly salary. In May, J’s salary is $2400. M switched her job in June and got different salary, J’s salary has not been changed. What’s the difference between the salary of M’s old and new Job? 1) J paid 20% of her salary for the rent in May. 2) M paid total $380 for the rent in June answer: C [讨论] 113. the sum of seven positive integers > 99? (C) 1) 16 is the max number 2) range is 10 answer: E (如果可以重复), A(如果不可以重复) [讨论] 114. 一个坐标图:y=10连线 x=5 和x, y轴呈三角的范围里,问y<x 的possibility? ½; 1/3; 3/10… answer: 1/3 (hint: y=x 切割三角形,然后面积比) [讨论] 115. A group of people,有men 和 医生两种情况(还是给出了比例 ?记不清了),问非医生的男人 是否比 非男人的医生多? 1 Men 有 10人, 医生有8人 2 男医生的比例 Answer A (题目不全) [讨论] 116. A 30-mile trip , 前10miles 15miles consumption 1 gallon, the rest miles ------ 45 miles consumption 1 gallon 问的是总共 how many miles ~ consume ~1 gallon Answer 27 [讨论] 117. 1980的什么东西 有个具体值。而且1980年的is X percent greater than 1970的 1985的什is Y percent greater than 1980的 问可否求出1985年的比1970多多少 1 不记得了 2 知道了(1+X/100)* (1+Y/100) sufficient (题目不全) [讨论] 118. 问一组数的median 是否为8 1 至少有一半 either 小于 or equal 8 2 至少有一半 either 大于or equal 8 answer: C [讨论] 118. S 和J读书六天,S每天读的一样多,前三天J读的是S的三分之一,接下去的两天J是S的四分之一,最后一天两人读的一样多,问这六天总数J是S的几分之几? 答案:5/12 [讨论] 119. 问整数N是奇数吗? A.N个位不是1 2.N^8和 N^9个位相同 答案:E [讨论] 120. 两个P和V圆面积比是4/9大圆V周长是18派问P的半径 答案:6 [讨论] 121. 直角坐标系中直线K经过(n,-1)问直线K的斜率是否为正 A.直线K过原点 B.直线K过(1,n+2) 答案:C [讨论] 122. A公司投资9%它的总收入在一件事,B公司的和A投资总额一样,但是总收入小于A, 问B的投资占它总收入的比例。 A. A的投资金额(数字忘了) B. B的总收入是A的90% 答案:B [讨论] 123. if xy=y, what is the value of x^2+y^2 ? 1: x=4, 2:y=0 answer: A [讨论]
[此贴子已经被作者于2006-6-21 14:31:01编辑过] |