请教几道数学题

chenzhexi · 发表于 2011-6-3 22:42:58

Q18:

On a certain transatlantic crossing, 20 percent of a ship’s passengers held round-trip tickets and also took their cars abroad the ship.If 60 percent of the passengers with round-trip tickets did not take their cars abroad the ship, what percent of the ship’s passengers held round-trip tickets?

A.33 1/3%

B.40%

C.50%

D.60%

E.66 2/3%
Q22:

A construction company was paid a total of $500,000 for a construction project.The company’s only costs for the project were for labor and materials.Was the company’s profit for the project greater than $150,000?

(1)The company’s total cost was three times its cost for materials.
(2)The company’s profit was greater than its cost for labor.

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.

In a corporation, 50 percent of the male employees and 40 percent of the female employees are at least 35 years old.If 42 percent of all the employees are at least 35 years old, what fraction of the employees in the corporation are females?

A.3/5

B.2/3

C.3/4

D.4/5

E.5/6

Q22:

A construction company was paid a total of $500,000 for a construction project.The company’s only costs for the project were for labor and materials.Was the company’s profit for the project greater than $150,000?

(1)The company’s total cost was three times its cost for materials.
(2)The company’s profit was greater than its cost for labor.

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.

请教几道数学题

所属分类: GMAT考试

正在浏览此版块的会员 ()