Mr Daniels Maths
Percentages: Interest Compound and Depreciation

Set 1

Set 2

Set 3

Q1) Hammid invests £4000 in bonds for 3 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)£121.2 b)£4121.20]

Q1) Ariel buys a motorbike for £8438 and is kept for 9 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. [ a)£6028.58 b)£2409.42]

Q1) Lumaya invests £6558 in a bank. After 2 years it is worth £8226.36. What is the compound interest rate? [ 12%]

Q2) Nathan invests £9000 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)£9710.35 b)£18710.35]

Q2) Monique buys a minibus for £8074 and is kept for 4 years. It depreciates at rate of 10% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£2776.65 b)£5297.35]

Q2) Joseph invests £4261 in bonds at 5% compound interest per annum. After how many years will the bonds be worth £5710.15? [ 6 years]

Q3) Ariel invests £8000 in bonds for 2 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)£1504.8 b)£9504.80]

Q3) Teagan buys a van for £9242 and is kept for 7 years. It depreciates at rate of 11% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£5154.14 b)£4087.86]

Q3) Sabrina invests £9991 in bonds at 3% compound interest per annum. After how many years will the bonds be worth £10599.45? [ 2 years]

Q4) Julie invests £1000 in bonds for 9 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)£93.69 b)£1093.69]

Q4) Joseph buys a motorbike for £6078 and is kept for 4 years. It depreciates at rate of 9% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end. [ a)£1910.01 b)£4167.99]

Q4) Brady invests £2098 in bonds at 11% compound interest per annum. After how many years will the bonds be worth £4355.78? [ 7 years]

Q5) Anna invests £7000 in bonds for 11 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)£7733.96 b)£14733.96]

Q5) Alex buys a motorbike for £7861 and is kept for 2 years. It depreciates at rate of 6% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end. [ a)£915.02 b)£6945.98]

Q5) Jenson invests £2744 in a bank. After 7 years it is worth £4406.26. What is the compound interest rate? [ 7%]

Q6) Jenson invests £3000 in bonds for 11 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)£2131.02 b)£5131.02]

Q6) Alex buys a minibus for £6196 and is kept for 11 years. It depreciates at rate of 4% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£2241.47 b)£3954.53]

Q6) Anna invests £2925 in a bank. After 2 years it is worth £3163.68. What is the compound interest rate? [ 4%]

Q7) Eva invests £5000 in bonds for 7 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)£8300.1 b)£13300.10]

Q7) Jennine buys a car for £7338 and is kept for 9 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)£2713.23 b)£4624.77]

Q7) Teagan invests £3211 in a bank. After 5 years it is worth £3722.43. What is the compound interest rate? [ 3%]

Q8) Sabrina invests £4000 in bonds for 7 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)£919.5 b)£4919.50]

Q8) Hammid buys a racing bicycle for £2266 and is kept for 11 years. It depreciates at rate of 14% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end. [ a)£1834.74 b)£431.26]

Q8) Jennine invests £3290 in a bank. After 4 years it is worth £4312.52. What is the compound interest rate? [ 7%]

Q9) Logun invests £5000 in bonds for 9 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)£10020.21 b)£15020.21]

Q9) McKenzie buys a van for £9993 and is kept for 7 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. [ a)£4418.44 b)£5574.56]

Q9) Sabrina invests £5799 in a bank. After 5 years it is worth £7760.37. What is the compound interest rate? [ 6%]

Q10) Prabjot invests £2000 in bonds for 15 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)£12275.88 b)£14275.88]

Q10) Sharney buys a racing bicycle for £9097 and is kept for 13 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. [ a)£6427.46 b)£2669.54]

Q10) Teagan invests £1496 in a bank. After 6 years it is worth £2004.78. What is the compound interest rate? [ 5%]