Theater M has 25 rows with 27 seats in each row. How many of the seats were occupied during a certain show?
(1)During the show, there was an average (arithmetic mean) of 10 unoccupied seats per row for the front 20 rows.
(2)During the show, there was an average (arithmetic mean) of 20 unoccupied seats per row for the back 15 rows.
-
AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
-
BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
-
CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
-
DEACH statement ALONE is sufficient.
-
EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: E