ব্যাংক মডেল টেস্ট [সাপ্তাহিক]
Rifat can complete a project in 2 days and Sifat can complete the same project in 3 days. Rifat and Sifat start working on the project together and Rifat quits 1 day before the project is expected to be completed. How many days in total will the project take to complete?