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A and B can finish a project in 20 days · B alone can finish it in 30 days · How many days will A take to finish the project alone?
60
40
50
45
60
Practice and solve "A and B can finish a project in 20 days · B alone can finish it in 30 days · How many days will A take..." for RRB JE CBT-1 - Mathematics · The correct answer is Option A: 60 · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A and B can finish a project in 20 days · B alone can finish it in 30 days · How many days will A take..." for RRB JE CBT-1 - Mathematics · The correct answer is Option A: 60 · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.