# Percentages Problems

#### Number of problems found: 733

- Car value

The car loses value 15% every year. Determine a time (in years) when its price will halve. - Shots

Determine the percentage rate of keeper interventions if from 32 shots doesn't caught four shots. - Descent of road

Road sign informs the gradient is 10.9%. Calculate the angle which average decreases. - Arrange

Arrange the following in descending order: 0.32, 2on5, 27%, 1 on 3 - Finding the base

Find the unknown base of percent: 12.5 percent of what = 16? - Events

Event P has probability of 0.84. What is the probability that the event P occurs in 3, 5, 7 try. - Guess number

With what number should be divided number 9727 to be reduced by 70%? - Doctors

The drug successfully treats 90% of cases. Calculate the probability that he will cure at least 18 patients out of 20? - Sales off

After discounting 40% the goods cost 15 €. How much did the cost of the goods before the discount? - Radioactive material

A radioactive material loses 10% of its mass each year. What proportion will be left there after n=6 years? - Double percent

What is 40% of 80% of 11800? - Unknown number x

5% from an unknown number equals the number 2^{6}. What is the unknown number? - Sphere fall

How many percent fall volume of a sphere if diameter decreases 3×? - What is

What is the annual percentage increase in the city when the population has tripled in 20 years? - Reducing number

Reducing the an unknown number by 28.5% we get number 243.1. Determine unknown number. - Earning 2

Rahul earns 5000 Rs, he saves 500 Rs . What's percentage of his earnings does he save? * - Break time

Calculate how many percent of school time is spent on breaks. Calculate data for the whole week. - Joshka

Joshka had € 15. Mama took him 15%. How many had left? - travel agency

Small travel agency offers 5 different tours at honeymoon. What is the probability that the bride and groom choose the same tour (they choose independently)? - A perineum

A perineum string is 10% shorter than its original string. The first string is 24, what is the 9th string or term?

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.

Our percentage calculator will help you quickly calculate various typical tasks with percentages.