अतुल, भारत और चेतन एक साझेदारी में प्रवेश करते हैं। अतुल 6 महीने के लिए ₹25,000 निवेश करता है, भारत 8 महीने के लिए ₹30,000 निवेश करता है, और चेतन 9 महीने के लिए ₹40,000 निवेश करता है। यदि कुल लाभ ₹37,000 है, तो लाभ में चेतन का हिस्सा क्या है?

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?