the cost price of 16 articles is the same as the selling price of 12 articles . find the loss / profit percentages .
"explanation : the gain is 4 out of 12 articles . therefore , gain percentage = 4 x 100 / 12 = 100 / 3 = 33 1 / 3 % answer : option c"
divide(multiply(16, const_4), add(const_4, const_1))