Mr Daniels Maths
Percentages: Interest Compound and Depreciation

Set 1

Set 2

Set 3

Q1) Alex invests £6000 in bonds for 4 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)£753.05 b)£6753.05]

Q1) Jenson buys a racing bicycle for £8221 and is kept for 6 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)£481.09 b)£7739.91]

Q1) Sharney invests £784 in a bank. After 3 years it is worth £1015.30. What is the compound interest rate? [ 9%]

Q2) Logun invests £10000 in bonds for 4 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)£406.04 b)£10406.04]

Q2) Sharney buys a van for £7901 and is kept for 13 years. It depreciates at rate of 9% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£5582.43 b)£2318.57]

Q2) Jennine invests £8090 in a bank. After 2 years it is worth £9967.69. What is the compound interest rate? [ 11%]

Q3) Alex invests £6000 in bonds for 5 years at a compound interest rate of 8%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£2815.97 b)£8815.97]

Q3) Joseph buys a car for £4937 and is kept for 14 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)£2860.88 b)£2076.12]

Q3) Sharney invests £1097 in a bank. After 4 years it is worth £1918.66. What is the compound interest rate? [ 15%]

Q4) Monique invests £9000 in bonds for 15 years at a compound interest rate of 13%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£47288.43 b)£56288.43]

Q4) Jenson buys a van for £7955 and is kept for 15 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)£4269.52 b)£3685.48]

Q4) Hassan invests £9000 in bonds at 6% compound interest per annum. After how many years will the bonds be worth £12044.03? [ 5 years]

Q5) Monique invests £7000 in bonds for 14 years at a compound interest rate of 14%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£36829.44 b)£43829.44]

Q5) Julie buys a motorbike for £6610 and is kept for 10 years. It depreciates at rate of 14% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end. [ a)£5147.2 b)£1462.80]

Q5) Jaden invests £8353 in bonds at 1% compound interest per annum. After how many years will the bonds be worth £9045.10? [ 8 years]

Q6) Prabjot invests £7000 in bonds for 14 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)£19582.49 b)£26582.49]

Q6) Alex buys a van for £6351 and is kept for 10 years. It depreciates at rate of 9% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£3877.82 b)£2473.18]

Q6) Jonathan invests £1555 in a bank. After 7 years it is worth £2842.60. What is the compound interest rate? [ 9%]

Q7) Steven invests £7000 in bonds for 15 years at a compound interest rate of 5%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£7552.5 b)£14552.50]

Q7) Joseph buys a racing bicycle for £4374 and is kept for 12 years. It depreciates at rate of 3% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end. [ a)£1339.13 b)£3034.87]

Q7) Logun invests £42 in a bank. After 7 years it is worth £81.85. What is the compound interest rate? [ 10%]

Q8) McKenzie invests £2000 in bonds for 4 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)£164.86 b)£2164.86]

Q8) Jenson buys a motorbike for £8272 and is kept for 11 years. It depreciates at rate of 3% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end. [ a)£2355.03 b)£5916.97]

Q8) Sharney invests £1287 in bonds at 13% compound interest per annum. After how many years will the bonds be worth £2098.42? [ 4 years]

Q9) Jaden invests £6000 in bonds for 10 years at a compound interest rate of 9%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£8204.18 b)£14204.18]

Q9) Hassan buys a racing bicycle for £4252 and is kept for 11 years. It depreciates at rate of 5% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end. [ a)£1833.46 b)£2418.54]

Q9) Sam invests £6011 in bonds at 9% compound interest per annum. After how many years will the bonds be worth £8485.02? [ 4 years]

Q10) Ariel invests £6000 in bonds for 5 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)£624.48 b)£6624.48]

Q10) Ariel buys a car for £6791 and is kept for 6 years. It depreciates at rate of 4% per year. Calculate (a) money the car loses and (b) the value of the car at the end. [ a)£1475.29 b)£5315.71]

Q10) Nathan invests £2901 in a bank. After 2 years it is worth £3259.56. What is the compound interest rate? [ 6%]