# Percentages + time - math problems

#### Number of problems found: 91

- Great Wall of China

The Great Wall of China is long 8880 km. Historically valuable, however, is only 30% of its length. What amount of insurance pays the Peoples Republic of China a month for this monument if the insurance company charges $ 10 per year per kilometer of histo - The city 2

Today lives 298000 citizens in the city. How many citizens can we expect in 8 years if their annual increase is 2.4%? - Interest p.a.

Calculate the value of interest in period of 1 year from the deposit 62000 CZK at 8 percent interest rate, after deducting 15 percent tax. - 3 years

The company has increased the number of employees. In year 2005 compared to 2004 13% more, in 2006 18% more against the previous year, in year 2007 20% more compared to 2006. How many % increase in the number of employees in 3 years? - Apartments

Apartment on the first floor was 10% more expensive than the same apartment on the second floor. The difference was 105 Kc annually. Calculate the annual rent of the apartment in the first floor and from apartment on the second floor. - Bank deposit

Ms Jana after the withdraw amount of 2,500 euros after year saving in bank. What was her deposit if the interest rate was 2.5% p.a.. - Deposit 3

After a year, Martin had on bank account € 2028. What was the interest rate when the initial deposit was € 1879? - Elevator

In homes with more floor elevators are used. For passenger transport, the most commonly used traction elevator counterweight. The top of the shaft engine room with the engine. The car is suspended on a rope, which is guided up over two pulleys to the coun - Dealer

Dealer sells digital camera for € 747. Thirty percent of the price was his profit. After some time, decreased interest in selling the camera and reduced its sales price by 11 %. How many percent of the new price now is the dealer's profit? Round the resul - Simple interest 4

Find the simple interest if $x USD at $p% for $m days. Assume a $r-day year. - Simple interest 2

Find the simple interest if $x USD at $p% for $m months. - Simple interest 3

Find the simple interest if $x USD at $p% for $m weeks. - Simple interest

Peter put into bank 853 euros deposit. After 7 years on account overall was 984 euro. What was the interest rate if bank add simple interest? - Population

The town has 65,000 inhabitants. 40 years ago, there were 157,000. How many people will live in a city in 10 years if the population's average rate is as in previous years? - Deposit

If you deposit 719 euros at the beginning of each year, how much money we have at 1.3% (compound) interest after 9 years? - Unions

Calculate how much money per year would go to the treasury of unions if 976 thousand employees join unions with an average net salary of 587 euros and if union membership cost 1% of the net monthly salary. - Paddlers

Students of canoeists trip traveled in three days 102 km. The second day traveled 15% more than the first day and at the third day 9 km over the second day. How many kilometers are traveled each day? - Negative percentage

In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate what percentage of the company increased profits in these two years. - TV fail

The TV has after 10,000 hours average 35 failures. Determine the probability of TV failure after 400 hours of operation. - Christmas

Calculate how much of the school year (202 days long) take Christmas holidays 19 days long. Expressed as a decimal number and as a percentage.

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