defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Quantitative Aptitude Algebra
If x + y = 25 and xy = 35, then (1/x) + (1/y) =?
1
\(\sqrt{5\over7}\)
2
7/5
3
5/7
4
\(\sqrt{7\over5}\)
If x + y = 25 and xy = 35, then (1/x) + (1/y) =?