Comparing Quant...

A man bought goods worth $$Rs.6000$$ and sold half of them at a gain of $$10$$%. At what gain percent must he sell the remainder so as to get a gain of $$25$$% on the whole ?

Alfred buys an old scooter for $$Rs. 4700$$ and spends $$Rs. 800$$ on its repairs. If he sells the scooter for $$Rs. 5800$$, his gain percent is :

Rani bought a piece of cloth for $$Rs.950$$ and spend $$Rs.300$$ on designing it. At what price should she sell it to make $$30$$% profit?

Three hundred oranges were bought at Rs.40 per dozen and sold at a profit of Rs.25. The selling price of the oranges per dozen is           

The owner of an electronics shop charges his customer $$22$$% more then the cost price. If a customer paid $$Rs.10980$$ for a DVD player then what was the cost price of a DVD player?

If a mobile costs Rs. $$2786$$, then $$257$$ mobiles costs?

A man gain $$20\%$$ by selling an article for a certain price. If he sells it at double the price the percentage of profit will be 

Rice costing rs $$480$$ is needed for $$8$$ member for $$20$$ days. What is the cost of the rice required for $$12$$ members for $$15$$ days

A shopkeeper sells 20 article for Rs. 6000 and earns profit equal to the selling price of 5 articles. Find the cost price of each articles?

$$10$$ cylindrical pillars of building have to be painted.If the diameter of each pillar is $$50$$m and the height is $$4$$m.Find the cost of painting at the rate of Rs.$$7$$ per square metre.