Question

1. A tapi can fill a cistern in 8 hours while
tap Bcan fill it in 1 hours. In how much
time will the cistern be filled if both and
B are opened together?
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Answer 1

Answer:

Time taken by tap A to fill the cistern = 8 hours. Time taken by tap B to fill the cistern = 4 hours. Therefore, time taken by (A + B) to fill the cistern = ⁸/₃ hours = 2 hours 40 min

Answer 2

Step-by-step explanation:

first B will over then A

this is my answer

hope it is helpful