Satyendra and Rakesh started a business investing Rs. 90000 and Rs. 105000 respectively. After 4 months Jai joined the business investing Rs. 125000 while Rakesh withdrew Rs. 20000. At the end of year total profit was Rs. 47700. What is Jai's share ?

Jai's share is calculated based on his capital contribution and time period. Investment ratios: Satyendra contributed Rs. 90000 for 12 months = 1080000, Rakesh contributed Rs. 105000 for 4 months then Rs. 85000 for 8 months = 1100000, and Jai contributed Rs. 125000 for 8 months = 1000000. Total ratio units = 3180000. Jai's share of profit = (1000000/3180000) × 47700 = Rs. 15000.