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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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30分解质因数，2，3，5，可以组成 2，3，5的数组，1，5，6的组合，有的满足有的不满足。
但是同时符合一和二的只有2，3，5的组合，最大也就是532，小于550
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