Shopkeeper rise price by 31% and gives successive discount of 10% and 15%. What is overall % gain or loss?
Choose one:
A) 0.215 %	B) 1.215 %	C) 3.215 %	D) 6.215 %	E) 7.215 %

Rationale: "let d initial price be 100 31 % rise now price = 131 / 100 * 100 = 131 10 % discount then price = 131 * 90 / 100 = 117.9 15 % discount then price = 117.9 * 85 / 100 = 100.215 so gain = 100.215 - 100 = 0.215 gain % = gain * 100 / cp = = > 0.215 * 100 / 100 = 0.215 % answer : a"
Answer: A