engineering recuitment NMC JE Civil Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
A tank has two inlets which can fill it in 6 hours and 8 hours respectively. An outlet can empty the full tank in 10 hours. Both inlet taps are opened for an hour and closed. Then the three are opened together the remaining tank fills in:
1
\(5\frac{{15}}{{46}}\) hours
2
\(5\frac{{15}}{{23}}\) hours
3
\(6\frac{{11}}{{46}}\) hours
4
\(3\frac{{16}}{{23}}\) hours