A और B ने एक साझेदारी शुरू की जिसमें A ने 9 महीने के लिए पूंजी का 14 भाग योगदान दिया। यदि A को कुल लाभ का 13 भाग प्राप्त हुआ, तो B की पूंजी कितने समय के लिए निवेश की गई थी?

Three partners invested in a business in the ratio 8:5:4. They invested their capital for 3 months, 10 months, and 9 months respectively. What was the ratio of their profits?

A started a business with an investment of ₹21,000 and after a few months, B joined him with an investment of ₹15,000. At the end of the year, the total profit was divided between them in the ratio 12 : 5. After how many months did B join the business?