A, B and C enter into a partnership in the ratio 7/2 : 4/3 : 6/5. After 4 months, A increases his share 50%. If the total profit at the end of one year be Rs. 21,600, then B's share in the profit is:

• ক Rs. 4000 ✅ সঠিক উত্তর
• খ Rs. 2400
• গ Rs. 3600
• ঘ Rs. 2100