ABC26GN2511 · Percentage

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

$\frac{4}{3}$ of 25\% of $\frac{18}{19}$ of $57=?$ [IBPS-RRB Officer Assistant (Online) Exam, 2015]
(a)36
(b)8
(c)18
(d)12
Answer
Answer (as printed): C
Explanation
Given $$\begin{aligned} \frac{4}{3} & \text { of } 25 \% \text { of } \frac{18}{19} \text { of } 57=? \\ ? & =\left[\left(\frac{25}{100} \times \frac{4}{3}\right) \times\left(\frac{18}{19} \times 57\right)\right] \\ & =\left(\frac{1}{4} \times \frac{4}{3}\right) \times\left(\frac{18}{19} \times 57\right) \\ & =18 \end{aligned}$$

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

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