Question

Raja can do 1/4 of a job in 4 days and mohan can do 1/5 of a job in 4 days. If both work together how long will they take to complete entire job.
PLZ PROVIDE A PAPER WORK.
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Answer 1

A - 1/3rd of work in 5 days. So A takes 15 days to complete the work. Similarly B can do 2/5 of the work in 10 days, so B can complete the work in 25 days. Taking total work = 75 Efficiency of A = 75/15 = 5

Efficiency of B = 75/25 = 3

Number of days taken if A and B work together = 75/8 = 9.4 days

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Answer 2

Answer:

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