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Stuart, Jack and Leo are colleagues working in a plant. Stuart and Jack can do a work in 10 days, Jack and Leo can do the same work in 15 days while Stuart and Leo can do it...
Solution
Let, the work done by Stuart, Jack and Leo in a day be S, L and JS + J = 1/10 —–(1)J + L = 1/15 ——(2)S + L = 1/12 ——(3)Adding (1), (2)...
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