Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Time and Work Pipe and Cistern
A pipe can fill a tank in 8 hours. After half of the tank is filled, 3 more similar pipes are opened. What is the total time taken to fill the tank completely?
1
1 hours
2
4 hours
3
5 hours
4
6 hours