A shopkeeper sold 30 articles at the cost price of 35 articles. Then find the profit% or lost%
Options: A) 12 % B) 15 % C) 16.67 % D) 18 % E) 22 %

Rationale: "here 30 articles selling price = 35 articles cost price so the difference = 35 - 30 = 5 % of profit = 5 * 100 / 30 = 16.67 % correct option is c"
Answer: C