Is the integer r divisible by 3 ?
(1) r is the product of 4 consecutive positive integers.
(2) r < 25
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.
看清楚题目,不是问r的值,而是问能否被3除!
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