Mr Daniels Maths
Percentages: Interest Compound and Depreciation

Set 1

Set 2

Set 3

Q1) Teagan invests £4000 in bonds for 9 years at a compound interest rate of 7%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£3353.84 b)£7353.84]

Q1) Sam buys a minibus for £4956 and is kept for 11 years. It depreciates at rate of 9% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£3199.75 b)£1756.25]

Q1) Nathan invests £3708 in bonds at 10% compound interest per annum. After how many years will the bonds be worth £5971.77? [ 5 years]

Q2) Sam invests £6000 in bonds for 3 years at a compound interest rate of 15%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£3125.25 b)£9125.25]

Q2) Alfie buys a minibus for £5679 and is kept for 6 years. It depreciates at rate of 5% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£1504.41 b)£4174.59]

Q2) Alex invests £3653 in bonds at 14% compound interest per annum. After how many years will the bonds be worth £4747.44? [ 2 years]

Q3) McKenzie invests £6000 in bonds for 7 years at a compound interest rate of 1%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£432.81 b)£6432.81]

Q3) Jennine buys a motorbike for £8186 and is kept for 15 years. It depreciates at rate of 10% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end. [ a)£6500.58 b)£1685.42]

Q3) Julie invests £3917 in a bank. After 5 years it is worth £6903.09. What is the compound interest rate? [ 12%]

Q4) Harley invests £10000 in bonds for 15 years at a compound interest rate of 2%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£3458.68 b)£13458.68]

Q4) Alex buys a car for £2886 and is kept for 2 years. It depreciates at rate of 6% per year. Calculate (a) money the car loses and (b) the value of the car at the end. [ a)£335.93 b)£2550.07]

Q4) Julie invests £6833 in bonds at 4% compound interest per annum. After how many years will the bonds be worth £7686.20? [ 3 years]

Q5) Anna invests £6000 in bonds for 4 years at a compound interest rate of 12%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£3441.12 b)£9441.12]

Q5) McKenzie buys a van for £9413 and is kept for 11 years. It depreciates at rate of 5% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£4058.88 b)£5354.12]

Q5) Sam invests £4584 in a bank. After 8 years it is worth £14022.56. What is the compound interest rate? [ 15%]

Q6) Alex invests £8000 in bonds for 15 years at a compound interest rate of 3%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£4463.74 b)£12463.74]

Q6) Alex buys a motorbike for £8455 and is kept for 2 years. It depreciates at rate of 10% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end. [ a)£1606.45 b)£6848.55]

Q6) Logun invests £9793 in a bank. After 7 years it is worth £14725.05. What is the compound interest rate? [ 6%]

Q7) Julie invests £9000 in bonds for 15 years at a compound interest rate of 12%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£40262.09 b)£49262.09]

Q7) Sharney buys a motorbike for £6411 and is kept for 5 years. It depreciates at rate of 10% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end. [ a)£2625.37 b)£3785.63]

Q7) Jaden invests £6865 in a bank. After 4 years it is worth £12006.93. What is the compound interest rate? [ 15%]

Q8) Sabrina invests £3000 in bonds for 7 years at a compound interest rate of 11%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£3228.48 b)£6228.48]

Q8) Julie buys a van for £9901 and is kept for 8 years. It depreciates at rate of 10% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£5638.94 b)£4262.06]

Q8) Kyra invests £3410 in bonds at 15% compound interest per annum. After how many years will the bonds be worth £5964.11? [ 4 years]

Q9) Alex invests £4000 in bonds for 4 years at a compound interest rate of 10%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£1856.4 b)£5856.40]

Q9) Alex buys a racing bicycle for £1767 and is kept for 3 years. It depreciates at rate of 1% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end. [ a)£52.48 b)£1714.52]

Q9) Nathan invests £1074 in a bank. After 6 years it is worth £1140.07. What is the compound interest rate? [ 1%]

Q10) Lumaya invests £6000 in bonds for 15 years at a compound interest rate of 3%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£3347.8 b)£9347.80]

Q10) Alfie buys a car for £4660 and is kept for 3 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. [ a)£664.63 b)£3995.37]

Q10) Jenson invests £7233 in a bank. After 8 years it is worth £20632.76. What is the compound interest rate? [ 14%]