Subject: General Aptitude · Chapter: Problems on Numbers · Exam: · Marks: · Difficulty:
The difference of two numbers is 11 and one-fifth of their sum is 9. Find the numbers.
Answer
Answer (as printed):
Explanation
Let the numbers be $x$ and $y$. Then $x-y=11$ ...(i) and $\frac{1}{5}(x+y)=9 \Rightarrow x+y=45$ ...(ii) Adding (i) and (ii), we get: $2x=56$ or $x=28$. Putting $x=28$ in (i), we get: $y=17$. Hence, the numbers are 28 and 17.
Explanation as extracted from the printed page; notation may be imperfect.