A trader marked the selling price of an article at 50% above the cost price. At the time of selling, he allows certain discount and suffers a loss of 1%. He allowed a discount of :
Choose the correct choice from the following:
A) 7.3 %	B) 10.5 %	C) 11 %	D) 12.5 %	E) none

Rationale: "sol . let c . p . = rs . 100 . then , marked price = rs . 110 , s . p . = rs . 99 . ∴ discount % = [ 11 / 150 * 100 ] % = 7.3 % answer a"
Answer: A