362.
38,69,22,73,31,47,13,82
Which of the following numbers is greater than three-forths of the numbers but less than one-forth of the numbers in the list above?
(a)56
(b)68
(c)69
(d)71
(e)73
題目問哪個數大於3/4個數,就是第6個數,和小於1/4個數,第1/4個,也就是排第2個的那個數,解答為何要從尾巴算來第2個,不用從頭算來第2個。是因為從前面算來第二個是22,會讓
答案變的不合理?因為會變成某數大於69且小於22?