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
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?