If 0.13 ÷ p²=13, then p equals · ABC26GN1373

Subject: General Aptitude · Chapter: Square Roots and Cube Roots

If $0.13 \div p^{2}=13$, then $p$ equals

(a)0.01

(b)0.1

(c)10

(d)100

Answer

Answer (as printed): B

Explanation

$$\begin{aligned} & \frac{0.13}{p^{2}}=13 \\ & \Leftrightarrow p^{2}=\frac{0.13}{13}=\frac{1}{100} \\ & \Leftrightarrow p=\sqrt{\frac{1}{100}}=\frac{1}{10}=0.1 \end{aligned}$$

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

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