ABC26GN1112 · Simplification
Subject: General Aptitude · Chapter: Simplification · Exam: · Marks: · Difficulty:
Two-fifth of one-fourth of three-seventh of a number is 15 . What is half of that number?
(a)94
(b)96
(c)188
(d)196
(e)None of these
Answer
Explanation
Let the number be $x$. Then, $$\begin{aligned} \frac{2}{5} \text { of } \frac{1}{4} \text { of } \frac{3}{7} \text { of } x=15 & \Leftrightarrow x=\left(15 \times \frac{7}{3} \times 4 \times \frac{5}{2}\right)=350 \\ & \Leftrightarrow \frac{1}{2} x=175 . \end{aligned}$$
Explanation as extracted from the printed page; notation may be imperfect.
Open in whiteboard · Browse this chapter in the app