Compound interest
Types of exercises: compound interest, compound interest: deposits and loans, interest rate from the initial and final amounts.
Exercises are drawn at random from a large bank - every click gives a different set.
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Problem
7 000 zloty was deposited at 4% a year, compounded annually. How many zloty will be in the account after 2 years?
Problem
23 000 zloty was put on a deposit with a fixed interest rate, compounded annually. After 2 years there was 24 876.80 zloty on the deposit. Ignore the tax on interest. What was the annual interest rate?
Problem
6 000 zloty was put on deposit for 1 year. The interest rate is 3% a year, compounded half-yearly. Ignore the tax on interest. How many zloty will be on the deposit after that time? Give the answer to the nearest grosz.
Problem
30 000 zloty was deposited at 6% a year, compounded annually. How many zloty will be in the account after 2 years?
Problem
The value of an investment grew every year by the same percentage. At the start it was 35 000 zloty, and after 2 years it was 42 350 zloty. By what percentage did it grow each year?
Problem
A company took out a loan of 5 000 zloty for 3 years. The interest is 4% a year, compounded annually, and the company will repay the whole debt in one payment at the end. How many zloty of interest will the company pay? Give the answer to the nearest grosz.
Problem
40 000 zloty was deposited at 5% a year, compounded annually. How many zloty will be in the account after 3 years?
Problem
41 000 zloty was put on a deposit with a fixed interest rate, compounded annually. After 2 years there was 47 822.40 zloty on the deposit. Ignore the tax on interest. What was the annual interest rate?
Problem
6 000 zloty was put on deposit for 2 years. The interest rate is 6% a year, compounded quarterly. Ignore the tax on interest. How many zloty will be on the deposit after that time? Give the answer to the nearest grosz.
Problem
500 zloty was deposited at 5% a year, compounded annually. How many zloty will be in the account after 2 years?
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