A and B can finish a piece of work in 6 days and 4 days respectively. A started the work and worked at it for 2 days. He was then joined by B. Find the total time taken to finish the work.
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Since A has been working on it for 2 days, 33% of the work was already completed.
From the 3rd day, B joined A, completing 41% of the work, a day.
So, at the end of the thrid day, they'd have completed, 74% of the work. And before the 4th day is over, they'll be done.
From the 3rd day, B joined A, completing 41% of the work, a day.
So, at the end of the thrid day, they'd have completed, 74% of the work. And before the 4th day is over, they'll be done.
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