अजय, बाकू और चेट्टू एक साझेदारी में प्रवेश करते हैं। अजय कुल पूंजी का एक-तिहाई योगदान देता है, जबकि बाकू उतना ही योगदान देता है जितना अजय और चेट्टू मिलकर देते हैं। यदि वर्ष के अंत में लाभ 90,000 रुपये है, तो चेट्टू को कितनी राशि (रुपये में) प्राप्त होगी?

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?