Percentages: Interest Compound and Depreciation

Easy

Medium

Difficult

Q1) Logun invests £3620 in bonds for 9 years at a 13% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q1) Jenson buys a minibus at £8761 and is kept for 2 years. It depreciates at rate of 14% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end.
Q1) Teagan invests £3367 in bonds at 1% compound interest per annum. After how many years will the bonds be worth £3609.88?
Q2) Brady invests £7078 in bonds for 8 years at a 14% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q2) Harley buys a car at £4711 and is kept for 6 years. It depreciates at rate of 5% per year. Calculate (a) money the car loses and (b) the value of the car at the end.
Q2) McKenzie invests £5880 in bonds at 3% compound interest per annum. After how many years will the bonds be worth £6617.99?
Q3) Anna invests £6784 in bonds for 5 years at a 11% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q3) Harley buys a minibus at £6534 and is kept for 15 years. It depreciates at rate of 8% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end.
Q3) Harley invests £438 in bonds at 6% compound interest per annum. After how many years will the bonds be worth £698.11?
Q4) Teagan invests £4147 in bonds for 11 years at a 13% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q4) Logun buys a racing bicycle at £9301 and is kept for 5 years. It depreciates at rate of 9% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end.
Q4) Sharney invests £4069 in bonds at 6% compound interest per annum. After how many years will the bonds be worth £5771.95?
Q5) Sharney invests £5740 in bonds for 9 years at a 4% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q5) Alfie buys a van at £5001 and is kept for 10 years. It depreciates at rate of 8% per year. Calculate (a) money the van loses and (b) the value of the van at the end.
Q5) Ariel invests £8447 in a bank. After 2 years it is worth £9136.28. What is the compound interest rate?
Q6) Harley invests £9366 in bonds for 12 years at a 3% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q6) Ariel buys a car at £3056 and is kept for 13 years. It depreciates at rate of 9% per year. Calculate (a) money the car loses and (b) the value of the car at the end.
Q6) Nathan invests £1372 in bonds at 11% compound interest per annum. After how many years will the bonds be worth £1876.39?
Q7) Alex invests £8889 in bonds for 6 years at a 1% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q7) Alfie buys a van at £7612 and is kept for 7 years. It depreciates at rate of 14% per year. Calculate (a) money the van loses and (b) the value of the van at the end.
Q7) Brady invests £2285 in bonds at 8% compound interest per annum. After how many years will the bonds be worth £3626.01?
Q8) Alex invests £7946 in bonds for 2 years at a 11% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q8) Sam buys a motorbike at £5596 and is kept for 3 years. It depreciates at rate of 8% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end.
Q8) Kyra invests £8899 in bonds at 3% compound interest per annum. After how many years will the bonds be worth £10316.38?
Q9) Brady invests £730 in bonds for 8 years at a 7% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q9) Sharney buys a van at £8389 and is kept for 7 years. It depreciates at rate of 15% per year. Calculate (a) money the van loses and (b) the value of the van at the end.
Q9) Steven invests £5645 in bonds at 1% compound interest per annum. After how many years will the bonds be worth £5992.28?
Q10) Ariel invests £8178 in bonds for 15 years at a 2% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q10) Sharney buys a motorbike at £5933 and is kept for 15 years. It depreciates at rate of 13% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end.
Q10) Sam invests £5516 in bonds at 14% compound interest per annum. After how many years will the bonds be worth £10620.59?