Q15:

If s⁴v³x⁷ < 0, is svx < 0?

(1) v < 0

(2) x > 0

key: C

我的答案是E

Q28:

In 1994, Kenneth’s annual salary was 30 percent higher than it was in 1993. In 1995, Kenneth’s annual salary was reduced to 104 percent of his 1993 annual salary. Kenneth’s 1995 annual salary was what percent less than his 1994 annual salary?

A. 16%

B. 20%

C. 24%

D. 26%

E. 28%

key: D

我的答案是B （1.3-1.04）/1.3

请教各位