A, B and C entered into a partnership with their initial shares in the ratio of 72 : 43 : 65. After 4 months, A increased his share by 50%. If the total profit at the end of one year is ₹1,08,000, then what is B's share in the profit?

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?