Practice Problems (Junior Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the formula for compound interest?
What is the formula for compound interest?
How much will Sarah have after 4 years if she invests €3,000 at 5% compounded yearly?
How much will Sarah have after 4 years if she invests €3,000 at 5% compounded yearly?
€3,646.52
What will Liam's €1,200 deposit be worth after 3 years at 7% interest compounded yearly?
What will Liam's €1,200 deposit be worth after 3 years at 7% interest compounded yearly?
€1,470.05
What was the initial deposit if the final amount is €8,245.12 after 5 years at 6%?
What was the initial deposit if the final amount is €8,245.12 after 5 years at 6%?
€6,161.23
What will a €30,000 car be worth after 3 years depreciating at 15% per year?
What will a €30,000 car be worth after 3 years depreciating at 15% per year?
€18,423.75
What is the formula for depreciation?
What is the formula for depreciation?
How do you write an interest rate of 5% as a decimal?
How do you write an interest rate of 5% as a decimal?
0.05
What formula finds the principal when you know the final amount?
What formula finds the principal when you know the final amount?
What is the key difference between compound interest and depreciation formulas?
What is the key difference between compound interest and depreciation formulas?
vs
What is in Sarah's compound interest calculation?
What is in Sarah's compound interest calculation?
1.21550625
What does the variable represent in the compound interest formula?
What does the variable represent in the compound interest formula?
Principal (initial amount)
In depreciation, if the rate is 15%, what value is used in the formula?
In depreciation, if the rate is 15%, what value is used in the formula?
0.85