Question

A man buys a certain number of article at 15 for ₹ 112.50 and sells them at 12 for ₹ 108 find: his gain as percent; the number of article sold to make a profit of ₹ 75

Answer 1

may be the profit percentage is 28.5714%

he might have sold 8 or 9 articles to gain RS. 75. actually (8.333 which is not possible)