X is a positive integer and r is a non-negative integer. x can be divisible by 10r and cannot be divided by 10r+1. What is the value of r?
(1) X can be divided exactly by 25, but not by 26
(2) X can be divided exactly by 56, but not by 57
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBoth statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: C