If the shopkeeper sells an item at Rs 1600 which is marked as Rs 2000, then what is the discount he is offering?
Marked Price = Rs. 2000
Selling price = Rs. 1600
=> Discount % = $$\frac{(2000 - 1600)}{2000} \times 100 = \frac{400}{20} = 20 \%$$
=> Ans - (B)
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