1.

The value of \[\left( \frac{\mathbf{1}}{\mathbf{lo}{{\mathbf{g}}_{\mathbf{3}}}\mathbf{60}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{lo}{{\mathbf{g}}_{\mathbf{4}}}\mathbf{60}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{lo}{{\mathbf{g}}_{\mathbf{5}}}\mathbf{60}} \right)\]is:

A. 0
B. 1
C. 5
D. 60
Answer» C. 5


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