Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Time and Work Pipe and Cistern
A tap can fill a tank in \(5\frac{1}{2}\) hours. Because of leak, it took \(8\frac{1}{4}\) hours to fill the tank. The leak will empty the tank in:
1
13/2 hours
2
27/4 hours
3
39/2 hours
4
More than one of the above
5
None of the above