2015年10月19日SAT官方每日一題

2015/10/19 瀏覽次數:3 收藏
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  標題範例:Mathematics > Standard Multiple Choice

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

  In an 8-gram solution of water and alcohol, the ratio by mass of water to alcohol is 3 to 1. If 12 grams of a solution consisting of 2 grams water for each gram of alcohol is added to the 8-gram solution, what fraction by mass of the new solution is alcohol?      

  (A)1/6

  (B)3/10

  (C)5/12

  (D)7/12

  (E)5/24

  謎底:B

  【剖析】