ABC26GN2028 · Logarithms

Subject: General Aptitude · Chapter: Logarithms · Exam: · Marks: · Difficulty:

If $\log _{x} 4=\frac{1}{4}$, then $x$ is equal to
(a)16
(b)64
(c)128
(d)256
Answer
Answer (as printed): D
Explanation
$\log _{x} 4=\frac{1}{4} \Leftrightarrow x^{1 / 4}=4 \Leftrightarrow x=4^{4}=256$.

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

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