ABC26GN0198 · Number System

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

$\frac{256 \times 256-144 \times 144}{112}$ 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.

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