Question
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
Answer: Option B
Answer: (b)C.P. of article = Rs.100Let marked price of article x.$x × 90/100 = 117$$x = {117 × 100}/90$= Rs.130 or 30% above the cost price.Using Rule 8,Here, $r_1$ = 10%, gain % = 17%, r = ?Gain % = ${r × (100 - r_1)}/100 - r_1$17 = ${r × (100 - 10)}/100 - 10$27 = ${r × 90}/100$ ⇒ r = 30%
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Answer: (b)C.P. of article = Rs.100Let marked price of article x.$x × 90/100 = 117$$x = {117 × 100}/90$= Rs.130 or 30% above the cost price.Using Rule 8,Here, $r_1$ = 10%, gain % = 17%, r = ?Gain % = ${r × (100 - r_1)}/100 - r_1$17 = ${r × (100 - 10)}/100 - 10$27 = ${r × 90}/100$ ⇒ r = 30%
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