ABC26GN0776 · Decimal Fractions

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

The value of $\frac{(0.137+0.098)^{2}-(0.137-0.098)^{2}}{0.137 \times 0.098}$ is
(a)0.039
(b)0.235
(c)0.25
(d)4
Answer
Answer (as printed): D
Explanation
Given expression $=\frac{(a+b)^{2}-(a-b)^{2}}{a b}=\frac{4 a b}{a b}=4$.

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

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