A man buys an article for Rs.150 and makes overhead expenses which are 10% of the cost price. At what price must he sell it to gain 20%?

A man sold two chairs for Rs.500 each. On one he gains 20% and on the other he loses 12%. His net gain or loss per cent is

The profit earned on selling an article for Rs.625 is the same as loss on selling it for Rs.435. The cost price of the article is

If an article is sold at a gain of 5% instead of being sold at a loss of 5%, a man gets Rs. 5 more. What is the cost price of the article?

A dealer lists his articles at 20% above cost price and allows a discount of 10%. His gain per cent is