If a exceeds b by x%, then which one of the following equations is correct? (M.B.A., 2007) · ABC26GN2338

Subject: General Aptitude · Chapter: Percentage

If $a$ exceeds $b$ by $x \%$, then which one of the following equations is correct? (M.B.A., 2007)

(a)$a-b=\frac{x}{100}$

(b)$b=a+100 x$

(c)$a=\frac{b x}{100+x}$

(d)$a=b+\frac{b x}{100}$

Answer

Answer (as printed): D

Explanation

A exceeds $b$ by $x \% \Rightarrow a=b+x \%$ of $b \Rightarrow a=b+\frac{b x}{100}$.

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

Study loop for Percentage