Q14: The charge for a single room at Hotel P is 25 percent less than the charge for a single room at Hotel R and 10 percent less than the charge for a single room at Hotel G.The charge for a single room at Hotel R is what percent greater than the charge for a single room at Hotel G ?
A.15% B.20% C.40% D.50% E.150%(B)
Q20: Of the 60 animals on a certain farm, 2/3 are either pigs or cows.How many of the animals are cows?(1)The farm has more than twice as many cows as it has pigs. (2)The farm has more than 12 pigs. 答案C
首先,此题 are either pigs or cows指要不然是猪,要不然是牛,决定不可能是猪和牛,这是什么鬼混合体啊??其次,不要看到morethan就觉得确定不了,感觉是不可靠的!!!一定要亲笔推算出来! 题目可知,P+C=40;(LZ的题目可能弄错了哦!) 由1知,C>2P,则C,P的组合可以是(11,29)或(12,28),或(13,27)。。。insufficient 由2知,C>12,则肯定有且只有组合(13,27) SO C 看似无关的条件,是否真的无关?还是要好好验证下捏!这种陷阱GT巨多无比哈!!!