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A and B can complete a work in 15 days and 10 days, respectively. They started doing the work together but after 4 days, B had to leave, and A completed the remaining work alone. The entire work was completed in ______________ days.
10
9
5
6
9
Practice and solve "A and B can complete a work in 15 days and 10 days, respectively. They started doing the work togeth..." for Mathematics - Previous Year Paper 2025. The correct answer is Option B: 9. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A and B can complete a work in 15 days and 10 days, respectively. They started doing the work togeth..." for Mathematics - Previous Year Paper 2025. The correct answer is Option B: 9. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.