Data Sufficiency
试题详情
题目：
Three machines, K, M, and P, working simultaneously and independently at their respective constant rates, can complete a certain task in 24 minutes. How long does it take Machine K, working alone at its constant rate, to complete the task?
(1)Machines M and P, working simultaneously and independently at their respective constant rates, can complete the task in 36 minutes.
(2)Machines K and P, working simultaneously and independently at their respective constant rates, can complete the task in 48 minutes.
(1)Machines M and P, working simultaneously and independently at their respective constant rates, can complete the task in 36 minutes.
(2)Machines K and P, working simultaneously and independently at their respective constant rates, can complete the task in 48 minutes.
选项:
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 statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D、 EACH statement ALONE is sufficient.
E、 Statements (1) and (2) TOGETHER are NOT sufficient.
答案:
A
