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题库 / Prep2007E2-DS-216
Is the three-digit number n less than 550 ?
(1) The product of the digits in n is 30.
(2) The sum of the digits in n is 10.
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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A选项两种情况：2*3*5或者1*5*6， 第二种不满足情况
B选项：随便想想就不满足
AB结合，只有2*3*5这一种，于是满足
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