ABC26GN0094 · Number System

Subject: General Aptitude · Chapter: Number System · Exam: 2006 · Marks: · Difficulty:

Between two distinct rational numbers $a$ and $b$, there exists another rational number which is

(a)$\frac{a}{2}$

(b)$\frac{b}{2}$

(c)$\frac{a b}{2}$

(d)$\frac{a+b}{2}$

Answer

Answer (as printed): D

Explanation

If $a$ and $b$ are two rational numbers, then $\frac{a+b}{2}$ is a rational number lying between $a$ and $b$.

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