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    本题由chris提供
870次学习

In a survey of 200 college graduates, 30 percent said

they had received student loans during their college careers, and 40 percent said they had received scholarships. What percent of those surveyed said that they had received neither student loans nor scholarships during their college careers?

(1) 25 percent of those surveyed said that they had received scholarships but no loans.

(2) 50 percent of those surveyed who said that they had received loans also said that they had received scholarships.



    A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

    B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

    C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

    D. EACH statement ALONE is sufficient.

    E. Statements (1) and (2) TOGETHER are NOT sufficient.

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答案:
D
一共有200个
学生,30%有助学贷款 40%有奖学金,问百分之多少的学生既没助学贷款也没奖学金? (1)25%的人有奖学金但没有贷款,也就是50个人 所以没有贷款的学生有70%,即140个人,那么两者都没的就有140-50=90个人 充分 (2)50%的有贷款的人也有奖学金,即既有贷款又有奖学金的有30个人,又因为有奖学金的一共有80个人,那么没有助学金但有奖学金的就有50个人。没有贷款的有140个人,那么没有奖学金也没有贷款的就有140-50=90个人,充分 选d

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