一道GWD里面的DS题，关键问题在于0是偶数吗？

XIAOYUEHAN

Is the integer n even?

(1)     n – 5 is an odd integer.

(2)     n/5 is an even integer.

                                                                                                                              

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.

如果0是，那么就是D，如果0不是，就应该选B

BruceNornia

D...0就是偶数... 

香香奶

0 can be divided by 2. therefore, 0 is even.

chwayne

同样的问题也出现在GWD31-9-27中

Q27:

If x and z are integers, is at least one of them even?

(1)
    x + z is odd.

(2)
    x - z is odd.

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.

0是偶数...