If shopkeeper sold the mobile for Rs.15000 and then he gets some loss. If he sold the same mobile at Rs.19200 and then he gets profit is double of loss. Find the cost price of the mobile?

A merchant fixes the sale price of his goods at 15 % above the cost price. He sells his goods at 12 % less than the fixed price. His percentage of profit is: 

A phone is sold for Rs. 860 at a loss of 20% for how much should it be sold gain 10%?

A person has 12 bananas for Rs 24. Sell in So he got the benefit of 25 percent. How many bananas he buy in Rs. 40?

By what fraction selling price ( S.P. ) must be multiplied to get the cost price ( C.P. ) if the loss is 20%? 

By selling 100 pencils, a shopkeeper gains the selling price of 20 pencils, His gain percent is:

A buys a water cooler at some price and sells it to B at 20% profit. B sells it to C at 10% profit. If C bought it for Rs 6666, then B's cost price is

If apples are bought at the rate of 30 for a rupee. How many apples must be sold for a rupee to gain 20%?