3010 Simple Interest Summary Quiz

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    I borrow $95000 and pay interest of $38000 at 5% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

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About This Quiz

The simple interest formula is given below in its standard form.
When asked for the amount of interest to be paid, this is the perfect formula to use. However, sometimes you will be required to find the principal, rate or time period for a loan, so rearranging this formula may make things simpler. If you are finding the principal, you See moremay rearrange the equation so P is on the left of the equation, and I, r and t are on the right. This is sometimes called 'making P the subject'. You calculator can do this easily for you.
This quiz tests your ability to find the Interest, Principal, rate, time and total amount on simple interest problems.

3010 Simple Interest Summary Quiz - Quiz

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  • 2. 

    I borrow $16000 and pay interest of $40800 at 17% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 3. 

    I borrow $94000 and pay interest of $97760 at 8% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 4. 

    I borrow $8000 and pay interest of $7040 at 11% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 5. 

    I borrow $21000 and pay interest of $38220 at 13% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 6. 

    I borrow $42000 and pay interest of $29400 at 7% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 7. 

    I borrow $65000 and pay interest of $23400 at 3% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 8. 

    I borrow $64000 and pay interest of $66560 at 13% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 9. 

    I borrow $54000 and pay interest of $37800 at 5% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 10. 

    I borrow $31000 and pay interest of $13640 at 11% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 11. 

    I borrow $48000 and pay interest of $21120 at 4% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 12. 

    I borrow $46000 and pay interest of $27600 at 12% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 13. 

    I borrow $88000 and pay interest of $63360 at 8% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 14. 

    I borrow $69000 and pay interest of $103500 at 15% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 15. 

    I borrow $25000 and pay interest of $12000 at 12% per annum. Over what period of time (in years) did I take out the loan? (Just a number is sufficient)

    Explanation
    Using the Simple Interest formula, make 't' the subject, and substitute the values in for Principal, Interest and rate (as a decimal). Remember, a decimal of 0.05 is 5%. You don't need to write 'years' because the questions states that your answer is in years. It isn't 'incorrect', but it more than is required.

    Rate this question:

  • 16. 

    I am offered a simple interest loan to start a business. I borrow $31000 at a rate of 4% per annum over 5 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 17. 

    I am offered a simple interest loan to start a business. I borrow $30000 at a rate of 8% per annum over 5 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 18. 

    I am offered a simple interest loan to start a business. I borrow $29000 at a rate of 15% per annum over 9 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 19. 

    I am offered a simple interest loan to start a business. I borrow $60000 at a rate of 18% per annum over 10 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 20. 

    I am offered a simple interest loan to start a business. I borrow $5000 at a rate of 18% per annum over 13 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 21. 

    I am offered a simple interest loan to start a business. I borrow $4000 at a rate of 12% per annum over 5 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 22. 

    I am offered a simple interest loan to start a business. I borrow $98000 at a rate of 16% per annum over 5 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 23. 

    I am offered a simple interest loan to start a business. I borrow $55000 at a rate of 5% per annum over 8 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 24. 

    I am offered a simple interest loan to start a business. I borrow $90000 at a rate of 10% per annum over 15 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 25. 

    I am offered a simple interest loan to start a business. I borrow $53000 at a rate of 13% per annum over 9 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 26. 

    I am offered a simple interest loan to start a business. I borrow $31000 at a rate of 18% per annum over 7 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 27. 

    I am offered a simple interest loan to start a business. I borrow $66000 at a rate of 6% per annum over 9 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 28. 

    I am offered a simple interest loan to start a business. I borrow $21000 at a rate of 16% per annum over 8 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 29. 

    I am offered a simple interest loan to start a business. I borrow $99000 at a rate of 10% per annum over 9 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 30. 

    I am offered a simple interest loan to start a business. I borrow $58000 at a rate of 5% per annum over 13 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 31. 

    I am offered a simple interest loan to start a business. I borrow $89000 at a rate of 18% per annum over 14 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 32. 

    I am offered a simple interest loan to start a business. I borrow $20000 at a rate of 18% per annum over 7 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 33. 

    I am offered a simple interest loan to start a business. I borrow $5000 at a rate of 16% per annum over 5 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 34. 

    I am offered a simple interest loan to start a business. I borrow $39000 at a rate of 9% per annum over 6 years. How much interest will I pay on this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years)

    Rate this question:

  • 35. 

    I borrow $40000 at a rate of 3% simple interest per annum over 13 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 36. 

    I borrow $49000 at a rate of 17% simple interest per annum over 5 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 37. 

    I borrow $59000 at a rate of 13% simple interest per annum over 8 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 38. 

    I borrow $15000 at a rate of 8% simple interest per annum over 15 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 39. 

    I borrow $58000 at a rate of 13% simple interest per annum over 5 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 40. 

    I borrow $25000 at a rate of 9% simple interest per annum over 7 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 41. 

    I borrow $64000 at a rate of 4% simple interest per annum over 10 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 42. 

    I borrow $30000 at a rate of 14% simple interest per annum over 10 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 43. 

    I borrow $75000 at a rate of 9% simple interest per annum over 4 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 44. 

    I borrow $40000 at a rate of 14% simple interest per annum over 9 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 45. 

    I borrow $71000 at a rate of 11% simple interest per annum over 5 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 46. 

    I borrow $33000 at a rate of 10% simple interest per annum over 14 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 47. 

    I borrow $99000 at a rate of 5% simple interest per annum over 14 years. How much will I pay back in total for this loan?

    Explanation
    Using the Simple Interest formula, make 'I' the subject, and substitute the values in for Principal, rate (don't forget to convert it to a decimal - 12% per annum = 0.12) and time (in years), then don't forget to add on the principal to the amount of interest. That's what makes it the 'total paid back'.

    Rate this question:

  • 48. 

    I borrow $73000 and pay interest of $124100 over 10 years. If I was paying simple interest annually, what was the interest rate paid per annum over the term of the loan?

    Explanation
    Using the Simple Interest formula, make 'r' the subject, and substitute the values in for Principal, Interest and time (in years). Remember, a decimal of 0.05 is 5%. If you don't include the percentage sign, its just a number.

    Rate this question:

  • 49. 

    I borrow $23000 and pay interest of $27370 over 7 years. If I was paying simple interest annually, what was the interest rate paid per annum over the term of the loan?

    Explanation
    Using the Simple Interest formula, make 'r' the subject, and substitute the values in for Principal, Interest and time (in years). Remember, a decimal of 0.05 is 5%. If you don't include the percentage sign, its just a number.

    Rate this question:

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 12, 2014
    Quiz Created by
    Anthony Nunan
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