a person buys an article at rs . 340 . at what price should he sell the article so as to make a profit of 10 % ?
"cost price = rs . 340 profit = 10 % of 340 = rs . 34 selling price = cost price + profit = 340 + 34 = 374 answer : c"
add(340, multiply(340, divide(10, const_100)))