ABC26GN1194 · Simplification

Subject: General Aptitude · Chapter: Simplification · Exam: · Marks: · Difficulty:

$\frac{17}{15} \times \frac{17}{15}+\frac{2}{15} \times \frac{2}{15}-\frac{17}{15} \times \frac{4}{15}$ is equal to
(a)0
(b)1
(c)10
(d)11
Answer
Answer (as printed): B
Explanation
Given exp. $=\left(\frac{17}{15}\right)^{2}+\left(\frac{2}{15}\right)^{2}-2 \times \frac{17}{15} \times \frac{2}{15}=\left(\frac{17}{15}-\frac{2}{15}\right)^{2}=1$.

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

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