[求助]官14-32

notidgen

statement2不会解，求问n人，谢先～

Q32:

 

 

r	s	t
u	v	w
x	y	z

 

 

Each of the letters in the table above represents one of the numbers 1, 2, or 3, and each of these numbers occurs exactly once in each row and exactly once in each column.  What is the value of r?

(1)     v + z = 6

(2)     s + t + u + x = 6

                  

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.

Answer: D

[此贴子已经被作者于2008-7-8 20:12:49编辑过]

喝咖啡的狼

(1)     v + z = 6

= > v = 3, z =3 , 所以  r只能 =3

(2)     s + t + u + x = 6

= > s t u x 只能是 1 和 2 ，所以  r只能 =3

notidgen

oh, thanks!