标题: S.O.S OG 的答案会不会错了呢?? [打印本页] 作者: uuppu 时间: 2010-8-20 09:13 标题: S.O.S OG 的答案会不会错了呢?? OG.10th edition DS46. What is the tenths digit in the decimal representation of a certain number? 1. the number is less than 1/3 2. the number is greater than 1/4 let's suppose the number is a, if both 1&2 are considered, then 0.25<a<0.3333333. it seems that we could conclude that the tenths digit is 3 from the above analysis. OG said the answer is E and I don't see that why it's not C