A and B start a partnership with capitals in the ratio 3:5. After 5 months, C joins with a capital equal to half of A's. If the total profit at the end of the year is ₹33,600, what is C's share? (Round your answer to the nearest rupee.)

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?