state gov MP Vyapam Group 4 (AG III & Steno) Mock Test Series 2025 Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A can fill a tank in 40 minutes. When an emptying pipe is opened with pipe A, then the fully filled tank is emptied in \(26 \frac{2}{3}\) minutes. What is the respective ratio of efficiency of pipe A and emptying pipe?
1
2 : 5
2
3 : 5
3
3 : 4
4
5 : 6