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题库 / GMATAdvanced-DS-68
n=24·32·52and positive integer d is a divisor of n.Is d>~$\sqrt{n}$~ ?
(1)d is divisible by 10.
(2)d is divisible by 36.
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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忘记考虑1+2了
问d是不是大于60
1）d的范围可以是[10,n] 不确定
2）d的范围可以使[36,n] 不确定
1+2，10和36的最小公倍数是180，d的范围是[180,n] 必定大于60