OG(QR)PS-Q061

[汪汪北鼻]

幫Kuan轉貼
Q61
38 69 22 73 31 47 13 82
which of the following numbers is greater than three-fourths of the numbers but less than one-fourth of the numbers in the list above?
(A)56 (B)68 (C)69 (D)71 (E)73
ANS:(D)

[micki]

13 22 31 38 47 69 73 82

8 x 3/4 =6 ; 8 x1/4 = 2

所以選介於 69 和 73 之間的數字 => (D)71

[汪汪北鼻]

First, reorder the number as following
13,22,31,38,47,69,73,82

greater than three-fourths of the numbers 8*3/4=6
but less than one-fourth of the numbers in the list above? 8*1/4=2
至少大於6個數但小於2個數
不就是介於69-73
故選71

[Kuan]

我知道了 謝謝大家唷~~~