SSC CHSL 2025 PYQ — Question 71

SSC CHSL - 29 Nov 2025 - Shift 2 • Quantitative Aptitude • Q71

643+256481=?\frac{\sqrt[3]{64}+\sqrt[4]{256}}{\sqrt{81}}=?

Show answer & explanation

Correct answer: A

Explanation

Given:

(∛64 + ⁴√256) / √81

According to the formulas:

∛a = a^(1/3)

⁴√a = a^(1/4)

√a = a^(1/2)

∛64 = 4

⁴√256 = 4

√81 = 9

(4 + 4) / 9

= 8 / 9