√(18 + 2√80) = ?
Show answer & explanation
Correct answer: A
Explanation
Given:
√(18 + 2√80)
According to the formula:
√(a + 2√b) = √m + √n, where
m + n = a and mn = b
a = 18, b = 80
m + n = 18
mn = 80
m = 10, n = 8
√(18 + 2√80) = √10 + √8
SSC MTS 2026 PYQ — Question 3
SSC MTS - 20 Feb 2026 - Shift 1 • Quantitative Aptitude • Q3