Pipes P and Q together take 10 hours to fill the tank. If Q is outlet pipe and can emptied the full tank in 12 hours, then find the time taken by P alone to fill the tank?
1
\(5\frac{5}{{11}}\) hours
2
\(4\frac{5}{{11}}\) hours
3
\(5\frac{9}{{11}}\) hours
4
\(4\frac{9}{{11}}\) hours