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题库 / GMATAdvanced-DS-51
Is the perimeter of a certain rectangular garden greater than 50 meters?
(1) The two shorter sides of the garden are each 15 meters long.
(2) The length of the gardens 5 meters greater than the width of the garden.
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.
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(1) 两个短边都是15m 因此短边之和 2b=30
因此 两个长边的和 2a ＞30 因此周长=2 (a + b) ＞ 60＞50 充分
(2) 长方形的长比长方形的宽多了5m 不充分