ABC26GN1667 · Problems on Numbers

Subject: General Aptitude · Chapter: Problems on Numbers · Exam: · Marks: · Difficulty:

If the sum of a number and its square is 182, what is the number?

(a)15

(b)26

(c)28

(d)91

(e)None of these

Answer

Answer (as printed):

Explanation

Let the number be $x$. Then, $x+x^{2}=182 \Leftrightarrow x^{2}+x-182=0$ $$\Leftrightarrow(x+14)(x-13)=0 \Leftrightarrow x=13 .$$

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