Question

6. Two taps A and B fill an overhead water tank in 12 hours and 8 hours respect
If both of them are opened together, how long would they fill the tank completely​

Answer 1

Answer:

4 4/5 hours (four -four by five hours)

Step-by-step explanation:

tap A fills one tank in one hour = 1/12

tap B fills 1 tank in 1 hour = 1/8

1/12+ 1/8

=2+3/ 24

=5/24

: 24/5. hours

==. 4 4/5 hours