单选题今年5月，上海某家汽车制造厂上线了人们期盼已久的新轿车，在这些轿车中，有20％是红色的，80％是蓝色的；有25％的车排放量是1.6升，有75％的车排放量是1.8升。如果在100辆轿车中有10辆车是红色并且排放量为1.6升，那么有多少辆车是蓝色并且排放量为1.8升?
单选题If n=p2 and p is a prime number greater than 5，what is the units digit of n2?
单选题If 8x=3y and xy≠0, what is the ratio of x8 to y3?
单选题In a certain card game, an ace counts one point, face cards count ten points, and all other cards count their face values. A player must play at least one card on each turn, and his score on a turn is
单选题把0-15这16个数分别写在卡上放到一个盒子里，如果从这个盒子里无返回地取出卡片，问至少取出多少个数才能保证有两个卡片上的数目和是16?
单选题In the standard x,y coordinate plane, what is the slope of the line containing the distinct points P and Q?1 Both P and Q lie on the graph of |x| + |y| = 1. 2 Both P and Q lie on the graph of |x| + |y
单选题What was the units digit of 1713-17?
单选题If the lengths of the legs of a right triangle are integers, what is the area of the triangular region?1 The length of one leg is 34 the length of the other. 2 The length of the hypotenuse is 5.
单选题What is the units digit of 2635-1781?
单选题圆心在原点、半径为5的圆上有多少个整数点?
单选题Both m and n are positive integers greater than 1.If 23m-2=21n-3，what is the least possible value of m+n?
单选题If seven integers are ordered from least to greatest, what is the median of the resulting sequence?1The average mean of the resulting sequence is 90.2The greatest four integers are 90, 91, 92, 93.
单选题In a certain group of people, the average arithmetic mean weight of the males is 180 pounds and of the females, 120 pounds. What is the average weight of the people in the group?1 The group contains t
单选题If p＞q＞w＞r and p-q＞m m＞0, p and q are odd integers, w, r and m are even integers, then the least possible value ofp-ris?
单选题What is the length of the hypotenuse of △ABC?1 The lengths of the three sides of △ABC are consecutive even integers. 2 The hypotenuse of AABC is 4 units longer than the shorter leg.
单选题What is the range of 0，0，1，1，3，3，3，4，5，-7?