ABC26GN0648 · Decimal Fractions

Subject: General Aptitude · Chapter: Decimal Fractions · Exam: 2005 · Marks: · Difficulty:

Which of the following is closest to zero?

(a)(0.09)2

(b)0.09

(c)(1 – 0.9)2

(d)1 – (0.9)2

Answer

Answer (as printed): A

Explanation

(a) (0.09)2 = 0.0081 (b) 0.09 (c) (1 – 0.9)2 = (0.1)2 = 0.01 (d) 1 – (0.9)2 = 1 – 0.81 = 0.19 Clearly, 0.0081 < 0.01 < 0.09 < 0.19. So, 0.0081 is closest to zero.

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

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