हरि, जना और कार्तिक एक साझेदारी में शामिल होते हैं। हरि कुल पूंजी का एक-तिहाई योगदान देता है जबकि जना उतना ही योगदान देता है जितना हरि और कार्तिक मिलकर योगदान देते हैं। यदि वर्ष के अंत में लाभ 1,11,000 रुपये है, तो कार्तिक को कितना प्राप्त होगा?

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?