Aseiman

291.         If n is aninteger between 10 and 99 and n is divisible by 7, the remainder is 3, is n< 80?
    1) When n isdivided by 5, the remainder is 0
    2) When n is divisible by 3, the reminder is 0
292.        If y = [4(n+1)-5]/[(n+1)(n+2)], which of the following has the greatest value?
   A.   -1/y
   B.    (1/y)2
   C.    y2
    D.   (1/2y)
    E.    y
293.         If a store sellsthree kinds of belts and each account for 20 percent, 50 percent, and 30percent of the revenues respectively, what is the average price for each belt sold?
     Price of eachbelt is $5, $3, and $10 respectively
294.         A museum has 40exhibits, total of 2000 visits last month. What is the average revenue for eachexhibit?
    1) Revenue fromeach child ticket and adult ticket sold are $8 and $12 respectively
    2) More than half ofthe exhibit account for revenue of $2000
295.         A triangle is on the xy plane, withcoordinates A, B, and C. B and C coordinates are given on the plane. What isthe coordinate of A?  1) AB=x 2) BC=y (xand y are given as numbers, but I forgot them all!!) (Just try to image or learnthe concept)

Aseiman

296.         Is n a prime number? 1) n is a factor of 125     2) n is a factor of 75
297.         3x-4y>0, is x>y? 1) x= 1     2) y=2 : (數字不確定)
298.        (1/8)^2 (這題用分數算, 答案全是分數的形態）: Answer（0.25)^3
299.          Given arectangle, with sides PQRS. The area is 4根號3, PR is twice of PQ (PR是對角,斜邊). What is PR?
300.         圆内切一个长方形，一条边长2，另一条边长12，求圆半径。算出来根号下37。

Aseiman

245.         DS题：有一个关于X的神马式子，sorry实在想不起来，判断X是否为negative number。
   条件一：X(X-1)为negative
    条件二：X(X+3)为positive
246.         DS题：一个集合S，问1是否在这个集合S里
    条件一：5在这个集合里
    条件二: If X在这个集合里，那么X-1也在这个集合里
我选的是C，我觉得如果5在集合里，那么根据条件二，可以推出4,3,2,1...也会在集合里。。。
247.         DS题：a,b,c,d是正数。a/c > b/d。thus， is a>b ?
      (1)  a<c
    (2)  b<d   这题乍一看跟机经上相似度90%，但是条件不同，大家一定要看仔细，切不可死记答案。