Comparing Quant...

Convert $$75\%$$ into vulgar fraction.

Loss = 

The percentage profit earned by selling an article for Rs. $$1920$$ is equal to the percentage loss incurred by selling the same article for Rs. $$1280$$. At what price should the article be sold to make $$25$$% profit?

Sam purchased $$20$$ dozens of toys at the rate of $$Rs. 375$$ per dozen. He sold each one of them at the rate of $$Rs. 33$$. What was his percentage profit?

A man buys oranges at $$9$$ for $$Rs. 16$$ and sells  $$11$$ for $$Rs. 20$$. What does he gain or lose per cent?

By selling $$8$$ dozen pencils, a shopkeeper gains the selling price of $$1$$ dozen pencils. What is the gain?

The selling price of goods which cost Rs.$$10$$ and were sold at a gain of $$10$$% is:

Determine the principal when time $$= 2$$ years, interest $$=$$ Rs. $$ 1000$$; rate $$= 5\%$$ p.a.

A shopkeeper expects a gain of $$22.5\%$$ on his cost price. If in a week, his sale was of Rs. 392, what was his profit?

A  shopkeeper sells some toys at Rs. 250 each. What percent profit does he make? To find the answer, which of the following information given in Statements I and II is/are necessary?
I. Number of toys sold.
II. Cost price of each toy.