单选题If a, b, and c are positive integers, can the product of then be multiple of 24?1a, b, c are consecutive integers.2a is an even number.
单选题If a solid pyramid has 4 vertices and 4 faces, how many edges does the pyramid have?
单选题Which of the following CANNOT be expressed as the product of exactly 3 consecutive positive integers?
单选题有5个考官给8个考生打分，分数从1分到10分，如果8个考生的得分分别为25、30、13、34、15、48、36和35，那么至少得了一个或者一个以上7分的考生数是多少?
单选题A certain number of people wait in line at a bank until served. How many people are presently in line?1 If 2 more people joined the line and none of those currently waiting were served, there would be
单选题The sum of the ages of Doris and Fred is y years．If Doris is 12 years older than Fred，how many years old will Fred be y years from now，in terms of y?
单选题Ten years ago the number of taxpayers in
单选题Which of the following most logically completes
单选题有30个人申请KH厂的财务总监职位，鉴于KH厂在新闻界的影响，有许多报纸报道了这一重大人事变动。其中一个报道说第一次面试后录取范围缩小到少于5名候选人，而另外一个报道宣称第一次面试后淘汰了少于27名申请者，假如这两个报道都是正确的，那么如果x个申请者在第一次申请后被淘汰，x可能的值是多少?
单选题If K is a positive integer less than 10 and N = 4,321 + K, what is the value of K ?1 N is divisible by 3. 2 N is divisible by 7.
单选题If x + y+z0, is z 1 ?1 zx + y+12 x+y+10
单选题Store N gives a 50 percent discount on the list price of all its items and Store W gives a 60 percent discount on the list price of all its items．If the list price of the same item is 20 percent highe
单选题5个人并排排成一排，其中甲不能够排在两头，问一共有多少种排法?
单选题Which of the following could be the remainder when 287 is divided by 3?
单选题A certain species of desert lizard digs tunnels
单选题For all real numbers x, the operation x* is defined by the equation x*=x+4, If x* *=10, then x=?
单选题Is the quadrangle a square?1The sum of three interior angles is 270.2Three sides of the quadrangle equals.