ABC26GN0178 · Number System

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

$106 \times 106-94 \times 94=$ ?
(a)2400
(b)2000
(c)1904
(d)1906
(e)None of these
Answer
Answer (as printed): A
Explanation
$$\begin{aligned} & (106 \times 106-94 \times 94)=(106)^{2}-(94)^{2} \\ & =(106+94)(106-94)=(200 \times 12)=2400 . \end{aligned}$$

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

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