注册领资料
If n and k are positive integers, is n/k an even integer?
(1) n is divisible by 8.
(2) k is divisible by 4.
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.
【申友解析】
正确答案:E
根据条件一可得n=8a(a为整数)不充分
根据条件二可得k=4b(b为整数)不充分
一和二联立:n/k=2(a/b),由于a/b的比值不确定,所以不充分。
申友留学APP
我的留学方案