state gov AIIMS Nursing Officer (NORCET - 8) Mock Test 2025 Quantitative Aptitude Time and Work Pipe and Cistern
Pipe "X" fills a tank in 10 minutes. Pipe "Y" fills that tank in 12 minutes. How much time do these two pipes together take to fill the tank?
1
\(\frac{120}{22}\) minutes
2
\(\frac{100}{10}\) minutes
3
\(\frac{150}{12}\) minutes
4
\(\frac{120}{20}\) minutes