a citern can be filled by one tapin 4hrs and by another in 3 hrs how long will it take it to fill it in both taps are opened
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Answered by
11
We have,
Time taken by the first tap to fill the cistern =4 hours.
Time taken by the second tap to fill the cistern =3 hours
Work done by the first tap in 1 hour =41
Work done by the second tap in 1 hour =31
Thus, work done by both the taps in 1 hour =41+31=123+4=127
Both the taps together will fill the cistern in 712 hours.
Answered by
1
Answer:
answer is 712 hrs
Explanation:
hope it helps
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