अजय और भास्कर ने 8 : 9 के अनुपात में राशि निवेश करके एक साझेदारी व्यवसाय शुरू किया। छह महीने बाद चंद उनके साथ भास्कर के बराबर राशि लगाकर शामिल हो गया। एक वर्ष के अंत में लाभ को अजय, भास्कर और चंद के बीच किस अनुपात में वितरित किया जाना चाहिए?

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?