ABC26GN0087 · Number System

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

If n is a negative number, then which of the following is the least?
(a)0
(b)– n
(c)2n
(d)n2
Answer
Answer (as printed): C
Explanation
n < 0 ⇒ 2n < 0, – n > 0 and n2 = (– n)2 > 0. Thus, out of the numbers 0, – n, 2n and n2 we find that 2n is the least.

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

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