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#### Discount

1. A man buys an article for ₹ 80 and marks it at ₹ 120. He then allows a discount of 40%. What is the loss or gain percent ?
1. 12% gain
2. 12% loss
3. 10% gain
4. 10% loss
##### Correct Option: D

Given that , CP of article = ₹ 80 and marked price = ₹ 120

 Discount = 120 × 40 = ₹ 48 100

∴  S.P. = ₹ (120 – 48) = ₹ 72
Loss = 80 – 72 = ₹ 8
 ∴  Loss % = 8 × 100 = 10% 80

Second method to solve this question :
Here, C.P. = Rs. 80, M.P. = Rs. 120, D = 40%
Using the given formula ,
 M.P. = 100 + r C.P. 100 − D

 120 = 100 + r 80 100 − 40

 3 = 100 + r 2 60

90 = 100 + r
r =–10% (–ve sign shows loss)
⇒  Loss = 10%

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