Ruma and Rohit can complete a work in 20 days, Rohit and Sobha can complete that work in 15 days. Let's calculate in how many days they will complete the work together.
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so the answer is 5days if you think that my answer is good than please click on heart ❤ button my friend
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Answer:
Step-by-step explanation:
Rohit and ruma complete the work = 20 days and
rohit and sobha complete the work = 15 days
Taking LCM to calculate the Total work ,
Then , total work = 60
Work done in one day by ruma and rohit = 3
Work done in one day by rohit and sobha = 4
They will completed the work together = 60/7
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