Problem

Problem

The lengths of the sides of a triangle are log⁡1012\log_{10} 12, log⁡1075\log_{10} 75 and log⁡10n\log_{10} n, where n∈Nn \in N. If aa and bb are the least and greatest values of nn respectively, the value of b−ab - a is divisible by a. 221 b. 222 c. 223 d. 224

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