A takes 30 days to complete a job. B takes 20 days to finish the same iob. If they work together, how many days will they take to finish the job
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12 day require to complete the job
adityasoni3645:
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first of all take LCM of 20&30 it may be 60 now this 60 is the total A and B have to do.. according to this A makes 3 units per day and B makes 2 unit per day Both of them makes 5 per day. Both A and B have to make 60. so they need 12 day
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