The correct answer is B. Rs. 24,750.
The correct answer is B. Rs. 24,750.
Explanation of each option:
Option A: Rs. 30,000. This is not the correct answer because the cost price is always less than the selling price.
Option B: Rs. 24,750. This is the correct answer because the cost price is equal to the selling price minus the profit.
Option C: Rs. 25,000. This is not the correct answer because the cost price is always less than the selling price.
Option D: Rs. 22,500. This is not the correct answer because the cost price is always less than the selling price.