Quantitative Mathematics Practice Problems

Flashcards covering quantitative mathematics problems, focusing on formulas, calculations, and problem-solving techniques.

What is the formula for calculating the perimeter of an equilateral triangle?

Perimeter = 3 times the length of one side.

If the average of three numbers is 15, what is the sum of those three numbers?

The sum is 3 times the average, which is 45.

What are the factors of the number 12?

The factors are 1, 2, 3, 4, 6, and 12.

How do you find how many CDs John owns if he owns 1/3 of the total 120 CDs?

Calculate 120 divided by 3, which equals 40.

What is the equation to find how much Sharice will contribute towards buying a $270 radio if she pays twice as much as James?

J + 2J + 6J = 270, where J is the amount James pays.

How do you calculate the final price of a jacket that is reduced by half then by 10%?

First find 50% of the original price, then calculate 10% of that half price and subtract it.

What is the ratio of green gumdrops to red gumdrops if there are 56 gumdrops total?

The ratio 5:3 implies there are 35 green gumdrops and 21 red gumdrops.