Question

4. Tap A can fill of a tank in 12 h and tap B can fill = of a tank in 6 h. How long will it take
to fill the tank completely if both the taps are opened together?​

Answer 1

Step-by-step explanation:

A tank fill in 12h

A tank fill in 1/12 parts of tank 1hr

B tank fill 1/6 parts of tank in 1hr

if both open then tank fill in then both pipe work 1/12+1/6 = (1+ 2)/12= 3/12= 1/4 parts

both pipe work 1/4 parts of work 1 day

then free full part do in 4hr