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A grocer purchased 80 kg of rice at Rs 90 per kg and sold it at Rs 99 per kg.

i) Find his profit.

ii) Find his profit percent.

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5 dozen pens at Rs 25 per piece were sold.

(Note: This part of the question seems incomplete and might need additional information or context to be meaningful.)

Answer :

Sure, let's solve the problem step by step.

Part (a): Calculate the profit and profit percent for the rice.

1. Calculate the Total Purchase Cost:
- The grocer purchased 80 kg of rice at a rate of Rs 90 per kg.
- Total Purchase Cost = Quantity of Rice × Purchase Price per kg
- Total Purchase Cost = 80 kg × Rs 90/kg = Rs 7200

2. Calculate the Total Selling Cost:
- The grocer sold the rice at a rate of Rs 99 per kg.
- Total Selling Cost = Quantity of Rice × Selling Price per kg
- Total Selling Cost = 80 kg × Rs 99/kg = Rs 7920

3. Calculate the Profit:
- Profit = Total Selling Cost - Total Purchase Cost
- Profit = Rs 7920 - Rs 7200 = Rs 720

4. Calculate the Profit Percentage:
- Profit Percent = (Profit / Total Purchase Cost) × 100
- Profit Percent = (Rs 720 / Rs 7200) × 100
- Profit Percent = 10%

The profit made by the grocer on the rice is Rs 720, and the profit percent is 10%.

(Note: It seems like there's an unfinished part about pens that isn't addressed in the solution you provided. Let's address it if more information is provided.)

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