Explanation:

- A and B invested in the business with a 7:5 ratio.

- 15% of the profit goes to charity.

- A's profit share is Rs. 5,950.

- Calculate total profit without charity: Let total profit be Rs. X.

- After charity: profit = 85% of total profit = \(0.85 \times X\).

- A's share in profit is proportional to his investment ratio.

- A's investment ratio = 7 out of \((7+5) = 12\).

- Calculate A's share: \((7/12) \times 0.85 \times X = 5950\).

- Solving for X, \( X = (5950 \times 12) / (7 \times 0.85) = 12000\).

- Option 2: Rs. 12,000 is correct.