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  1. A merchant allows a discount of 10% on marked price for the cash payment. To make a profit of 17%, he must mark his goods higher than their cost price by
    1. 33%
    2. 40%
    3. 27%
    4. 30%
Correct Option: D

C.P. of article = ₹ 100
Let marked price of article p.

∴  p ×
90
= 117
100

⇒  p =
117 × 100
90

= ₹ 130 or 30% above the cost price.
2nd method to solve this question.
Here, r1 = 10%, Gain % = 17%, r = ?
Gain % =
r ×(100 − r1)
− r1
100

17 =
r × (100 − 10)
− 10
100

27 =
r × 90
100

r = 30%



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