GMAT数学考试常见题型的解题技巧有哪些呢?以下将为大家深入分析GMAT数学考试常见题型的解题策略和技巧,希望能够为考生备战GMAT数学考试带来帮助。
128 做A,B两种题,做对A了给1分,做对B了给2分,某某做对A的正确率是80%,做对B的概率是55%,一共得了90分问一共做了多少题?
A。。。
B。。。
C60
D90
E120
X80%1+Y55%2=90
求 X+Y
化简 4/5X+11/10Y=90 8X+11Y=900 8X+8Y8X+11Y11X+11Y
8X+8Y11X+11Y 900/11
81
139 a^+b^=0? Answer:C
1, a+b=0,
2, c-d=0
C
164 PS. Law firm has branches in X,Y andZ states. Each Lawyer has either a license in one state or in all three states. there are 10, 11, 13 lawyers licensed in the 3 states respectively. there are 28 lawyers in total in the firm. how many lawyers work in state Z?
貌似之前出现过吧或者是在prep做过?设in all three states的人数是X,10-x+11-x+13-x=28-x 算出x=3,那么只在Z的就是13-3=10
271 PS:70,200,N,它们三个数分别是另外两个数的products的factory,问N的可能的最大值除以最小值的商,答案有20,100,700之类的,我选的是100
【GMAT数学精华题型解析(8)】相关文章:
最新
2016-03-02
2016-03-02
2016-03-02
2016-03-02
2016-03-02
2016-03-02