Question

A cistern can be filled by one tape in 2whole 1/2 hours and by another in 3 whole 3/4 hour. how long will the cistern take to fill if ther are opened together​

Answer 1

Answer; Time taken by cistern to fill first tape=5/2hour. Time taken by cistern to fill another tape=15/4h. Time taken to fill together=5/2+15/4. =10+15/4=25/4hour.

Answer 2

Answer:

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Step-by-step explanation:

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