One-third of a two-digit number exceeds one-fourth of its successive number by 1. The number is · ABC26GN1666

Subject: General Aptitude · Chapter: Problems on Numbers

One-third of a two-digit number exceeds one-fourth of its successive number by 1 . The number is

(a)12

(b)15

(c)18

(d)21

Answer

Answer (as printed): B

Explanation

Let the number be $x$. Then, $\frac{x}{3}-\frac{(x+1)}{4}=1 \Leftrightarrow 4 x-3(x+1)=12 \Leftrightarrow x=15$.

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

Study loop for Problems on Numbers