Correct option is D
Given:
A 10% discount on sugar allowed the man to buy 25 kg more for ₹225.
Concept Used:
For the same expenditure,
The ratio of the original price to the new price is inversely proportional to the original consumption to the new consumption.
Solution:
Price Comparison:
Original Price Ratio = 10 : 9
Consumption Ratio = 9 : 10
So,
1 unit = 25 kg
9 units = 9 × 25 = 225 kg
So, Cost per kg at Original Price:
Total Cost = ₹225 for 225 kg
Therefore, 1 kg = ₹1 (Original Price)
Discounted Price per kg:
Discount = 90% of ₹1
Discounted Price = ₹0.90 or 90 paise
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