What fraction of an hour is a second? · ABC26GN1113

Subject: General Aptitude · Chapter: Simplification

What fraction of an hour is a second?

(a)$\frac{1}{24}$

(b)$\frac{1}{60}$

(c)$\frac{1}{120}$

(d)$\frac{1}{3600}$

Answer

Answer (as printed): D

Explanation

Required fraction $=\frac{1 \mathrm{sec} .}{1 \mathrm{hr} .}=\frac{1 \mathrm{sec} .}{(1 \times 60 \times 60) \mathrm{sec} .}=\frac{1}{3600}$.

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

Study loop for Simplification