engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Time and Work Pipe and Cistern
A tap can fill an empty tank in 12 h and another tap can empty half the tank in 10 h. if both the taps are opened simultaneously, how long would it take for the empty tank to be filled to half its capacity?
1
30 h
2
20 h
3
15 h
4
12 h