Mr Daniels Maths
Percentages: Interest Compound and Depreciation

Set 1

Set 2

Set 3

Q1) Teagan invests £8000 in bonds for 8 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)£11807.71 b)£19807.71]

Q1) Joseph buys a racing bicycle for £1117 and is kept for 11 years. It depreciates at rate of 13% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end. [ a)£875.58 b)£241.42]

Q1) Steven invests £2575 in bonds at 4% compound interest per annum. After how many years will the bonds be worth £3258.20? [ 6 years]

Q2) Harley invests £4000 in bonds for 12 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)£507.3 b)£4507.30]

Q2) Hassan buys a racing bicycle for £398 and is kept for 8 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)£278.91 b)£119.09]

Q2) Hammid invests £4092 in bonds at 14% compound interest per annum. After how many years will the bonds be worth £5317.96? [ 2 years]

Q3) Alex invests £9000 in bonds for 2 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)£1304.1 b)£10304.10]

Q3) Prabjot buys a van for £6778 and is kept for 10 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)£4414.66 b)£2363.34]

Q3) Harley invests £5690 in bonds at 7% compound interest per annum. After how many years will the bonds be worth £6970.49? [ 3 years]

Q4) Teagan invests £5000 in bonds for 8 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)£6522.69 b)£11522.69]

Q4) Prabjot buys a car for £83 and is kept for 13 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)£45.87 b)£37.13]

Q4) Jenson invests £6670 in a bank. After 7 years it is worth £7151.14. What is the compound interest rate? [ 1%]

Q5) Lumaya invests £6000 in bonds for 14 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)£1916.87 b)£7916.87]

Q5) Sabrina buys a car for £5503 and is kept for 3 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)£932.3 b)£4570.70]

Q5) Eva invests £1324 in a bank. After 7 years it is worth £1419.51. What is the compound interest rate? [ 1%]

Q6) Kyra invests £2000 in bonds for 7 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)£3004.54 b)£5004.54]

Q6) Ariel buys a car for £4969 and is kept for 10 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. [ a)£3033.99 b)£1935.01]

Q6) Steven invests £9606 in a bank. After 4 years it is worth £15115.23. What is the compound interest rate? [ 12%]

Q7) Sam invests £3000 in bonds for 2 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)£434.7 b)£3434.70]

Q7) Alex buys a minibus for £6648 and is kept for 8 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. [ a)£3236.12 b)£3411.88]

Q7) Teagan invests £5 in bonds at 9% compound interest per annum. After how many years will the bonds be worth £9.14? [ 7 years]

Q8) Ariel invests £3000 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)£15762.81 b)£18762.81]

Q8) Ariel buys a minibus for £5332 and is kept for 8 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)£1794.64 b)£3537.36]

Q8) Jonathan invests £2332 in a bank. After 7 years it is worth £5835.29. What is the compound interest rate? [ 14%]

Q9) Kyra invests £7000 in bonds for 8 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)£1867.39 b)£8867.39]

Q9) Kyra buys a car for £7901 and is kept for 10 years. It depreciates at rate of 7% per year. Calculate (a) money the car loses and (b) the value of the car at the end. [ a)£4077.06 b)£3823.94]

Q9) Jenson invests £6407 in a bank. After 6 years it is worth £7650.29. What is the compound interest rate? [ 3%]

Q10) Hassan invests £900 in bonds for 6 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)£55.37 b)£955.37]

Q10) Jenson buys a van for £7139 and is kept for 11 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)£4898.71 b)£2240.29]

Q10) Julie invests £4343 in bonds at 14% compound interest per annum. After how many years will the bonds be worth £10867.35? [ 7 years]