Questions from Business Mathematics


Q: A number of years ago, your client invested $6000 at

A number of years ago, your client invested $6000 at a rate of return of 9% compounded annually. If the investment is currently worth $10,968.25, for how long has she held the investment?

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Q: A few years ago Avtar invested $6000 in a compound interest

A few years ago Avtar invested $6000 in a compound interest GIC that earned 4.5% compounded semiannually. He recently received the maturity value of $7168.99. What was the term of the GIC?

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Q: Rounded to the nearest month, how long will it take a

Rounded to the nearest month, how long will it take a town’s population to: 1. Grow from 32,500 to 40,000 if the annual growth rate is 3%? 2. Shrink from 40,000 to 32,500 if the annual rate of decline...

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Q: What is the effective interest rate corresponding to a nominal annual rate

What is the effective interest rate corresponding to a nominal annual rate of: 1. 6% compounded semiannually? 2. 6% compounded quarterly? 3. 6% compounded monthly?

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Q: What is the effective rate of interest on a credit card that

What is the effective rate of interest on a credit card that calculates interest at the rate of 1.8% per month?

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Q: If an invoice indicates that interest at the rate of 0.

If an invoice indicates that interest at the rate of 0.62% per month will be charged on overdue amounts, what effective rate of interest will be charged?

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Q: If the nominal rate of interest paid on a savings account is

If the nominal rate of interest paid on a savings account is 2% compounded monthly, what is the effective rate of interest?

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Q: A company reports that its sales have grown 3% per quarter

A company reports that its sales have grown 3% per quarter for the last eight fiscal quarters. What annual growth rate has the company been experiencing for the last two years?

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Q: If a $5000 investment grew to $6450 in 30 months

If a $5000 investment grew to $6450 in 30 months of monthly compounding, what effective rate of return was the investment earning?

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Q: After 27 months of quarterly compounding, a $3000 debt had

After 27 months of quarterly compounding, a $3000 debt had grown to $3810. What effective rate of interest was being charged on the debt?

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