.A tap can fill a cistern in 40 minutes and a second tap canempty the

1.	.A tap can fill a cistern in 40 minutes and a second tap canempty the filled cistern in 60 minutes. By mistakewithout closing the second tap, the first tap was opened.In how many minutes will the empty cistern be filled ?
Answer» Answer: 120 min Step-by-step explanation: We will ASSUME the time required to be x. Then we will SUBTRACT the WORK done by tap B from work done by tap A. (Rate of filling by A-Rate of filling by B)×time=1 here 1 on RHS DENOTES the full cistern.

.A tap can fill a cistern in 40 minutes and a second tap canempty the filled cistern in 60 minutes. By mistakewithout closing the second tap, the first tap was opened.In how many minutes will the empty cistern be filled ?

Answer»

Answer:

120 min

Step-by-step explanation:

We will ASSUME the time required to be x.

Then we will SUBTRACT the WORK done by tap B from work done by tap A.

(Rate of filling by A-Rate of filling by B)×time=1

here 1 on RHS DENOTES the full cistern.

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.A tap can fill a cistern in 40 minutes and a second tap canempty the filled cistern in 60 minutes. By mistakewithout closing the second tap, the first tap was opened.In how many minutes will the empty cistern be filled ?​

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.A tap can fill a cistern in 40 minutes and a second tap canempty the filled cistern in 60 minutes. By mistakewithout closing the second tap, the first tap was opened.In how many minutes will the empty cistern be filled ?