The value of (1/(log ₃ 60)+1/(log ₄ 60)+1/(log ₅ 60)) is · ABC26GN2068

Subject: General Aptitude · Chapter: Logarithms

The value of $\left(\frac{1}{\log _{3} 60}+\frac{1}{\log _{4} 60}+\frac{1}{\log _{5} 60}\right)$ is

(a)0

(b)1

(c)5

(d)60

Answer

Answer (as printed): B

Explanation

Given expression $$\begin{aligned} & =\log _{60} 3+\log _{60} 4+\log _{60} 5=\log _{60}(3 \times 4 \times 5) \\ & =\log _{60} 60=1 . \end{aligned}$$

Explanation as extracted from the printed page; notation may be imperfect.

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