ABC26GN1426 · Square Roots and Cube Roots

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: · Marks: · Difficulty:

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.