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If A can complete a piece of work in 15 days and B can complete the same work in 20 days, how long will they take to complete the work working together?
8.57 days
7.5 days
9 days
10 days
8.57 days
Practice and solve "If A can complete a piece of work in 15 days and B can complete the same work in 20 days, how long w..." for RRB JE CBT-1 - Time and Work · The correct answer is Option A: 8.57 days · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "If A can complete a piece of work in 15 days and B can complete the same work in 20 days, how long w..." for RRB JE CBT-1 - Time and Work · The correct answer is Option A: 8.57 days · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.