扫描二维码，直接登录
题库 / GMATAdvanced-DS-72
If K is a positive integer less than 10 and N=4, 321+K, what is the value of K?
(1)N is divisible by 3.
(2)N is divisible by 7.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
不把条件一的限制条件，代入条件二的求解中！！！
条件二：直接算4321/7，可得余数是2，说明要整除7，还需加5，则K=5，唯一，条件充分
登录 或 注册 后可以参加讨论