GWD6-19,26

mu1huizi

Q19:

At a certain company, 25 percent of the employees are male and 50 percent of the employees are sales staff.  What is the number of employees at this company?

(1)
                  Exactly 7 of the employees at the company are males who are sales staff.

(2)
                  There are 16 more female employees than male employees at the company.

              

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.

Q26:

K is a set of integers such that if the integer r is in K, then r + 1 is also in K.  Is 100 in K?

(1)
                  50 is in K.

(2)
                  150 is in K.

              

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.

lincken

选D  A么？

mu1huizi

B,A

mcychina

2题，可不可以推：因为150在K里，所以149也在？

melodyflying

B A