1道SAT数学难题.

　　下面为大家搜集了1道SAT数学难题，供大家在备考的时候进行适当的准备。解答SAT数学难题可以比常规的题目更加容易了解SAT数学考试的出题思路和方法。下面我们来看看详细内容吧。

有问题?找免费的澳际专家咨询!

　　Read the following SAT test question and then click on a button to select your answer.　　

　　The table above shows the attendance at the home games of the Central High School football team. If the median attendance for the five games was , and no two games had the same attendance, what is the greatest possible value for ?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　The correct answer is B

　　Explanation

　　The median of five numbers can be found by putting the numbers in increasing order and picking the middle, or third, number from the list. Putting the four numbers you know in increasing order produces the following list:

　　Thus, if is less than or equal to , the list of the numbers in increasing order will be

　　In either case, the median will be . However, if is greater than , the list of numbers in increasing order will beor or

　　In these cases, the median will be eitheror . Since you know that the median is , it must be true that is less than or equal to . Also, since no two games had the same attendance, the number cannot be equal to . Therore, the greatest possible value of is .

　　以上就是这道SAT数学难题的全部内容，后面附有详细的答案解析。大家可以在备考自己的SAT数学考试的时候，进行适当的参考和借鉴之用。

更多SAT数学相关：

北京SAT数学培训

两道SAT数学难题

两道SAT数学题及解法

两道SAT数学题分享