What is the least number which should be subtracted from 0.000326 to make it a perfect square? · ABC26GN1426

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

What is the least number which should be subtracted from 0.000326 to make it a perfect square?

(a)0.000002

(b)0.000004

(c)0.02

(d)0.04

Answer

Answer (as printed): A

Explanation

$0.000326=\frac{326}{10^{6}}$ $\therefore \quad$ Required number to be subtracted $=\frac{2}{10^{6}}=0.000002$.

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

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