Comparing Quant...

How much percent above the cost price should a shopkeeper mark his goods so that after allowing a discount of $$20\%$$ on the marked price, he still has a gain of $$10\%$$?

A greedy businessman cheats both the seller and buyer by $$20\%$$. His real profit is:

Twenty identical articles are bought at 8 for Rs. 48 and all of them are sold at 5 for Rs. 37.50. Find the profit percent made.

Find the profit per cent or loss per cent made in each of the following cases, when :
by selling 20 identical articles, a shopkeeper gains equal to C.P. of 5 articles.

John bought a car for a certain sum of money. He spent $$10 \%$$ of the cost on repairs and sold the car for a profit of Rs. $$ 11000$$. How much did he spend on repairs, if he made a profit of $$20 \%$$?

Nikita bought $$30$$ kg of wheat at the rate of Rs. $$ 4.75$$ per kg, $$40$$ kg of wheat at the rate of Rs. $$4.25$$ per kg and mixed them. She sold the mixture at the rate of Rs. $$4.45$$ per kg. What was her total profit or loss in the transaction?

A man wanted to sell on article with $$20 \%$$ profit; but he actually sold at $$20 \%$$ loss for Rs. $$480$$. At what price did he want to sell it to earn the profit.

A man sold an article at a loss of $$20 \%$$. If he had sold it for Rs. $$12$$ more, then he would have gained $$ 10\%$$. The cost price of the article is

A shopkeeper purchased 300 pens and sold one out of four pens at no loss or profit. He sold the remaining pens at a profit of 20 %. What is his overall profit or loss percent on the whole transaction ?

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?