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11月7日 GMAT数学逻辑每日一练

原标题:11月7日 GMAT数学逻辑每日一练

11月7日 GMAT数学逻辑每日一练

【数学】

In a certain game, the units of currency of three countries are thecrown, the shield, and the pound, respectively. If 2 crowns equal 3 shields and 3 shields equal 4 pounds, how manycrowns equal 18 pounds?

(A) 9

(B) 16

(C) 18

(D) 32

(E) 36

【逻辑】

Ifthe government increases its funding for civilian scientific research, privatepatrons and industries will believe that such research has become primarily thegovernment’s responsibility. When they believe that research is no longerprimarily their responsibility, private patrons and industries will decreasetheir contributions toward research. Therefore, in order to keep fromdepressing the overall level of funding for civilian scientific research, thegovernment should not increase its own funding.

Which one of the following is an assumptionon which the argument relies?

A. Governmentsshould bear the majority of the financial burden of funding for civilianscientific research.

B. Anyincrease in government funding would displace more private funding for civilianscientific research than it would provide.

C. Privatedonations toward research are no longer welcomed by researchers whose workreceives government funding.

D. Civilianscientific research cannot be conducted efficiently with more than one sourceof funding.

E. fundingfor civilian scientific research is currently at the highest possible level.

答案

【数学】

题目翻译:三个国家的货币单位分别为 C,S,P。如果 2C=3S=4P,那么 18P=?C

思路点拔:通过S 的中间关系,求出C P 的关系,即C=2P题目全解18P=9C

【逻辑】

参考思路:

本题指出privatefunding for civilian scientific researchgovernment funding是一增一减的关系。如果两者的增长数量是一样的,则总量不会随其中之一而变化。而如果一方的变化是另一方变化量的系数倍,则总量将会受到影响

(B) Any increase in government fundingwould displace more private funding for civilian scientific research than itwould provide.

这个选项指出了第二钟变化趋势。Therefore, in order to keep from depressing the overall level offunding for civilian scientific research, the government should not increaseits own funding. 我们应该假设Anyincrease in government funding would displace more private funding for civilianscientific research than it would provide.b is correct.

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