? -√((784))=6 × √((324)) · ABC26GN1483

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: NICL—AAO Exam 2015

? $-\sqrt{(784)}=6 \times \sqrt{(324)}$

(a)128

(b)160

(c)236

(d)136

Answer

Answer (as printed): D

Explanation

Let the number be $x$. $$\begin{aligned} & x-\sqrt{784}=6 \times \sqrt{324} \\ & x-28=6 \times 18 \\ & x-28=108 \\ & x=108+28=136 \end{aligned}$$

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

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