Question

76. Two taps A and B would fill a tank
completely in 30 and 36 minutes
opened, find when the tap A must be
Both
respectively.
taps
being
turned off so that the tank must be
just filled in 18 minutes ?
(1) after 15 minutes
(2) after 12 minutes
(3) after 14 minutes
(4) after 16 minutes​

Answer 1

Answer:

Step-by-step explanation:

Tap B can fill a tank in 36 minutes which means that 1/36th of the tank will be filled up in a minute

Tap A can fill a tank in 30minutes which means that 1/30th of the tank will be filled up in a minute

Can u pls  type it a bit more accurately so that I can type you the rest of the answer?

Answer 2

Step-by-step explanation:

work-108

remaining work-72

time -72/6=12