2015年6月GMAT數學機經4

　　2015年6月已過半，網GMAT測驗頻道小編為考生匯集整頓了6月份GMAT測驗數學部門的機經，供眾人進修參考，望有所贊助!

　　31. If all three sides of a right triangle are,respectively, radii of three semicircles, is it possible tocalculate the sum of area of three semicircles?

　　(1) a^2 + b^2 + c^2 = 50

　　(2) c^2 = 25

　　32. Jade save cash into 5 different bank accounts.What is the probability that Jade save most intoaccount a and save least into account B?

　　A. 1/10

　　B. 1/20

　　C. 1/40

　　D. 1/60

　　E. 1/80

　　33. If the radius of small circle is 3, and the angle is 60, what is the radius of the bigcircle?

　　A. 3

　　B. 6

　　C. 9

　　D. 12

　　E. 15

　　34. The sum of the first k positive integers is equal to k(k +1)/2 . What is the sum of theintegers from n to m, inclusive, where 0 < n < m ?

　　A.m(m+1)/2–(n +1)(n + 2)/2

　　B.m(m+1)/2–n(n +1)/2

　　C.m(m+1)/2–(n−1)n/2

　　D.(m−1)m/2–(n+1)(n+2)/2

　　E.(m−1)m/2–n(n+1)/2

　　35. Is h^2 = h ?

　　(1) h + h = h

　　(2) h –h = h

　　36. If k is a two--‐digit positive integer with tens digit x and units digit y, then k^2 =

　　A. 10x^2 + y^2

　　B. 100x^2 + y^2

　　C. 100x^2 + 10xy + y^2

　　D. 100x^2 + 20xy + y^2

　　E. 100y^2 + 20xy + x^2

　　37. If x and y are positive integers and r is the remainder when 3^(4x + 2) + y is dividedby 10, what is the value of r?

　　(1) x = 25

　　(2) y = 1

　　【參考謎底】

　　31-37. DBCCDDB

　　以上是本日小編為考生整頓的6月份GMAT測驗數學機經，僅供參考。欲懂得更多GMAT測驗資訊，獲得更多GMAT測驗備考材料，敬請存眷GMAT測驗頻道。網預祝考生2015年GMAT測驗獲得好成就!