ABC26GN0171 · Number System

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

$3897 \times 999=$ ?
(a)3883203
(b)3893103
(c)3639403
(d)3791203
(e)None of these
Answer
Answer (as printed): B
Explanation
$$\begin{aligned} 3897 \times 999 & =3897 \times(1000-1)=(3897 \times 1000)-(3897 \times 1) \\ & =3897000-3897=3893103 \end{aligned}$$

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

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