Comparing Quant...

If the selling price is doubled, the profit triples. Find the profit per cent

A man sells two horses for $$ Rs. 1485$$. The cost price of the first is equal to the selling price of the second. If the first is sold at $$20\%$$ loss and the second at $$25\%$$ gain, what is his total gain or loss (in rupees)?

A tradesman sold an article at a loss of $$20\%$$. If the selling price had been increased by Rs. $$100$$, there  would have been a gain of $$5\%$$. The cost price of the article was

A person sells a table at a profit of $$20\%$$. If he had bought it at $$10\%$$ less cost and sold for Rs. $$105$$ more, he would have gained $$35\%$$. The cost price of the table is

Mohan bought $$20$$ dining tables for Rs. $$12000$$ and sold them at a profit equal to the selling price of $$4$$ dining tables. The selling price of each dining table is

A shopkeeper earns a profit of $$15$$% after selling a book at $$20$$% discount on the printed price. The ratio of the cost price and the printed price of the book is 

If a merchant estimates his profits as $$20$$ $$\%$$ of the selling price, what is his real profit percent.

A woman bought two parcels of toffees, the same number in each parcel. She bought the first pack at $$25$$ paise per each toffee and the second pack at $$3$$ toffees for $$65$$ paise. She mixed them together and sold at Rs. $$3.50$$ a dozen. Her gain percent is:

Sugar is bought at Rs. $$16.20$$ per kg and sold at Rs. $$17.28$$ per kg. The gain percent is:

By selling a transistor for Rs. $$572$$, a shopkeeper earns a profit equivalent to $$30\%$$ of the cost price of the transistor. What is the cost price of the transistor?