The true discount for an amount of $3100, due 6 months hence is $100. Calculate the rate percent of interest.

A shopkeeper sells 10 sweets for $1 and achieves a gain of 30%. How many sweets did he buy for $1?

If Peter's salary is 50% more than Michael's, by what percent is Michael's salary less than Peter's?

If the tax on wooden items is decreased by 30% and the sales increase by 10%, what effect will it have on the company's revenue?

George, Michael and Samuel together give $40,000 to Peter to start a business. George gives $5,000 more than Michael gives, and Michael gives $4,000 more than Samuel gives. Out of a total profit of $10,000 from the business, how much does Michael receive?

From the venn diagram, calculate the percentage of items common to stationery and promotional items.

A piece of equipment, which was calculated to have 3 years of life, was purchased by a company in March 2005 for $80000. After 3 years, the residual value shall be $20000. Calculate the depreciation expenses for 2005, 2006 and 2007 using the straight line depreciation method.

At the end of season sale, a company decided to hike the price of an automobile by 20%. By what percentage should the company decrease the new price in order to restore the original price?

How much will be the percentage of loss on an article if the cost price is $10 and the selling price is $8?

In which depreciation technique does the company generate revenue and also estimate the asset value?

Mr. Smith and Mr. Peter are business partners. They agree to divide the annual profits in the ratio 5:6. If Mr. Peter's share is $30,000, what is the total amount to be shared between the two partners?