Math, asked by natashaghildiyal, 8 months ago

A cistern can be filled by tap A in 4 hours and emptied by tap B in 6 hours. How long will it take to fill the cistern if both the taps are opened simultaneously?
Work done by tap A in 1 hour

Work done by tap B in 1 hour

Time taken to fill the cistern

Answers

Answered by aayu37

2

Answer:

12 hours taken to fill cistern

answerrr

Lcm of 4,6 = 2×2×3

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