(256 × 256-144 × 144)/112 is equal to · ABC26GN0198

Subject: General Aptitude · Chapter: Number System

$\frac{256 \times 256-144 \times 144}{112}$ is equal to

(a)420

(b)400

(c)360

(d)320

Answer

Answer (as printed): B

Explanation

Given Expression $=\dfrac{(256)^{2}-(144)^{2}}{112}=\dfrac{(256+144)(256-144)}{112}=\dfrac{400 \times 112}{112}=400$.

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

Study loop for Number System