Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Time and Work Pipe and Cistern
Inlet pipes P and Q alone can fill a tank in 25 min and 10 min respectively while outlet pipe R alone can empty the tank in 50 min, find the time taken to fill the tank when all the three pipes are opened.
1
22/3 min
2
25/3 min
3
26/5 min
4
27/8 min