SSC CHSL 2025 PYQ — Question 55

SSC CHSL - 22 Nov 2025 - Shift 3 • Quantitative Aptitude • Q55

What is the square root of 0.0009?

Show answer & explanation

Correct answer: C

Explanation

Given:

Amount = 0.0009

By the formula:

√(a × 10⁻⁴) = √a × 10⁻²

0.0009 = 9 × 10⁻⁴

√0.0009 = √9 × 10⁻²

= 3 × 10⁻²

= 0.03