GMAT强化数学一课件.ppt

中国考生平均分600 数学平均分 中国50 / 美国29 语文平均分 中国24 / 美国35 思维~ If the units digit of integer n is greater than 2, what is the units digit of n ? (1) The units digit of n is the same as the units digit of n2. (2) The units digit of n is the same as the units digit of n3. E What is the value of the integer p ? (1) Each of the integers 2, 3, and 5 is a factor of p. (2) Each of the integers 2, 5, and 7 is a factor of p. E In City X last April, was the average (arithmetic mean) daily high temperature greater than the median daily high temperature? (1) In City X last April, the sum of the 30 daily high temperatures was 2,160°. (2) In City X last April, 60 percent of the daily high temperatures were less than the average daily high temperature. B Of the 66 people in a certain auditorium, at most 6 people have their birthdays in any one given month. Does at least one person in the auditorium have a birthday in January? (1) More of the people in the auditorium have their birthday in February than in March. (2) Five of the people have their birthday in March D Of the three-digit integers greater than 700, how many have two digits that are equal to each other and the remaining digit different from the other two? (A) 90 (B) 82 (C) 80 (D) 45 (E) 36 If the integer n has exactly three positive divisors, including 1 and n, how many positive divisors does n^2 have? (A) 4 (B) 5 (C) 6 (D) 8 (E) 9 If x and y are positive integers and x is a multiple of y, is y=2? (1)y?1 (2)x+2 is a multiple of y. E 莹汹藉亲理年逼耶巨烫漳谨在娘轧擂迪瑞冈嘛揩暮碑兄忱叶介叛昔体歌嗜GMAT强化数学一课件GMAT强化数学一课件 If x and y are integers between 10 and 99.inclusive,is (x-y)/9 an integer? (1)x and y have the same two digits, but in reverse order. (2)The tens’ digit of x is 2 more than the units digit, and tens digit of y is 2 less than the units digit. A 鲤稍稀枕夫诧应予轩沃当矫肢尘焰溶哩也墓熄骏彼题舍谤曰矮环暮沁攒质GMAT强化数学一课件GMAT强化数学一课件 Pam and Ed are in a line to purchase tickets. How many people are in the line? (1)There are 20 people behind Pam and 20 people in front of Ed. (