Which method of computing depreciation determines that the depreciation of an asset is more when it is new and decreases as the asset becomes old?

In an office comprising 200 people, 25% people are between the age of 20-25 years, 35% between the age of 25-30 years, 30% between the age of 30-35 years and 10% above the age of 35 years. Calculate the total number of people working in the office between the age of 20-30 years.

The table consists of the daily sales made individually by 8 salesmen of a company for one week. Calculate the standard deviation of the sales made.

Two variables are said to interact when ____.

A company lost 30% by selling its old furniture for $7000. How many percent would it have gained, had it sold it for $15000?

$1470 is divided among Adam, Brian and Chris. The share of Adam is two-thirds of the combined share of Brian and Chris. How much money does Adam get?

20% of a person's salary goes into his account as savings. He spends 10% of the remaining amount on buying clothes. If he has $720 as cash left with him, what is his salary?

A car costs $9595 after 5% discount. What was its actual price?