Correct Answer - Option 4 : 17.5
Given:
Selling price at 16.5% profit = Rs.466
Formulas used:
Selling Price = Cost Price × (100 + Profit)%
Selling Price = Cost Price × (100 - Profit)%
Loss Percentage = Loss/Cost Price × 100
Calculation:
Rs.466 = Cost Price × (100 + 16.5)%
⇒ Cost Price = 466/116.5%
⇒ Cost Price = 4 × 100
⇒ Cost Price = Rs.400
New Selling Price = Rs.330
⇒ Loss = Cost Price - Selling Price
⇒ Rs.400 - Rs.330 = Rs.70
∴ Loss Percentage = 70/400 × 100
⇒ 17.5%