Subject: General Aptitude · Chapter: Ratio and Proportion · Exam: · Marks: · Difficulty:
80\% of a number is equal to the $\frac{4}{5}$ th of the other number. What is the ratio between the first number and the second number respectively? [United India Insurance Co. Ltd. (UIICL) Assistant (Online) Exam, 2015]
(a)3 : 4
(b)3 : 5
(c)5 : 3
(d)None of these
Answer
Answer (as printed): D
Explanation
Let the first number be $x$ and second number be $y$ $$\begin{aligned} & \text { According to the } \\ & \Rightarrow \frac{80 \times x}{100}=\frac{4 \times y}{5} \\ & \Rightarrow \frac{4 x}{5}=\frac{4 y}{5} \\ & \Rightarrow x: y=1: 1 \end{aligned}$$
Explanation as extracted from the printed page; notation may be imperfect.