Partnership - General Questions

A starts a business with Rs. 7,000. After 2 months B joins with Rs. 5,000. Out of a total annual profit of Rs. 53,600, what is A's share?

A starts a business with Rs. 6,000. After 9 months B joins with Rs. 3,000. Out of a total annual profit of Rs. 900, what is A's share?

A starts a business with Rs. 3,000. After 6 months B joins with Rs. 7,000. Out of a total annual profit of Rs. 2,600, what is A's share?

A invests Rs. 9,000 for 12 months and B invests Rs. 5,000 for 4 months. In what ratio should they share the profit?

A, B and C invest in the ratio 6 : 3 : 4 for the same period. If the total profit is Rs. 19,500, what is C's share?