1. **Stating the problem:** You bought 200 pieces of singara at 3 tk each, so the total buying price is 600 tk. You want to find out how many plates you can sell if each plate contains 4 pieces and you sell each plate for 50 tk. 2. **Understanding the problem:** - Total pieces bought = 200 - Price per piece = 3 tk - Total cost = 200 \times 3 = 600 tk - Pieces per plate = 4 - Selling price per plate = 50 tk 3. **Finding the number of plates:** Since each plate has 4 pieces, the number of plates you can make is: $$\text{Number of plates} = \frac{\text{Total pieces}}{\text{Pieces per plate}} = \frac{200}{4} = 50$$ 4. **Summary:** You can sell 50 plates of singara. 5. **Additional info:** Total revenue from selling 50 plates at 50 tk each is: $$50 \times 50 = 2500$$ This means you spent 600 tk and earned 2500 tk by selling all plates.