Time + money - practice problems - page 14 of 15
Number of problems found: 300
- Car value
The car loses value by 15% every year. Determine a time (in years) when its price will halve. - Gardeners
Gardeners pay the city to lease one square meter of land CZK 3. How much to pay each year? a) for 2 hectares b) 2 are 150 m² - Principal and interest
Peter put € 270 principal into the bank, and at the end of the year, the account was € 282. To what annual interest rate had Peter deposited money in the bank? - Great Wall of China
The Great Wall of China is 8880 km long. Historically valuable, however, is only 30% of its length. What amount of insurance pays the People's Republic of China a month for this monument if the insurance company charges $ 10 per year per kilometer of hist
- Annual income
The annual income (in thousands of $) of fifteen families is 60, 80, 90, 96, 120, 150, 200, 360, 480, 520, 1060, 1200, 1450, 2500, 7200. Calculate the harmonic and geometric mean. - Interest p.a.
Calculate the value of the interest in the period of 1 year from the deposit 62000 CZK at 8 percent interest rate after deducting 15 percent tax. - Apartments
The 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 apartment's annual rent on the first floor and from the apartment on the second floor. - Bank deposit
Ms. Jana, after the withdrawal amount of 2,500 euros after year saving in the bank. What was her deposit if the interest rate was 2.5% p.a? - A family
A family of four pays for garbage collection per the year 1800 Kč. How many crowns a year does the waste company get from the house where live 93 people live?
- Coins
On coins found was stated that from the year 87 BC. Is it right? - Monthly payments
Novákovi pays for electricity, and monthly pays at the end of the year still bill 29 USD. Total per year pay 532 USD. What were their monthly payments? - Loan
Apply for a $ 15000 loan, the loan repayment period is 6 years, and the interest rate 2.8%. How much should I pay monthly (or yearly if paid yearly)? An example is for practice geometric progression and/or periodic payment for an annuity. - Deposit 3
After a year, Martin had on bank account € 1559. What was the interest rate when the initial deposit was € 1409? - 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 much percent of the new price now is the dealer's profit? Round the resul
- Dog II
The journey from a rangers' home to the town is 6 km. Mr. ranger started from his home and went 3 km per hour. His women came from the town and also went 3 km per hour. With ranger starts the dog and runs in 12 km in 1 hour. The dog went to the ranger's w - Car amortization
Assume that the car has a life 11 years and new cost 19000 euros. Calculate how much a month is amortized cost of the car over its lifetime. Amortization is the gradual reduction of assets (cars, buildings), mainly due to using or aging. - Simple interest 4
Find the simple interest if 7134 USD at 4.2% for 188 days. Assume a 360-day year. - Simple interest 2
Find the simple interest if 16050 USD at 4.9% for 9 months. - Simple interest
Peter put into bank $x euros deposit. After $n years on account, overall was $y euro. What was the interest rate if the bank added simple interest?
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