Question

A can complete a work in 10 days and B in 5 days. How much time will both take to complete the work?​

Answer 1

Answer:

A takes 10 days to do a job so he does (1/10)th of the job in a day.

B takes 5 days to do a job so he does (1/5)th of the job in a day.

A and B together do (1/10)+(1/5) = (2/20)+(4/20) = 6/20 = 3/10 th of the job in a day. So A and B will complete the job in 3.33 days.

Step-by-step explanation:

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