state gov Haryana Police Constable Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
Pipes A and B can fill an empty tank in 30 minutes and 40 minutes, respectively. Both pipes are opened for x minutes and then B is closed and A continues to fill. If the tank was completely filled in a total time of 22(1/2) minutes, then what is the value of 'x'?
1
12
2
8
3
9
4
10
5
Not Attempted