Mr Daniels Maths
Percentages: Interest Compound and Depreciation

Set 1

Set 2

Set 3

Q1) Brady invests £9000 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)£4223.95 b)£13223.95]

Q1) Sam buys a van for £8632 and is kept for 10 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. [ a)£6932.58 b)£1699.42]

Q1) Hassan invests £8567 in bonds at 2% compound interest per annum. After how many years will the bonds be worth £9091.37? [ 3 years]

Q2) Sabrina invests £5000 in bonds for 8 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)£4962.81 b)£9962.81]

Q2) Ariel buys a motorbike for £1584 and is kept for 11 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. [ a)£950.97 b)£633.03]

Q2) Alfie invests £8929 in a bank. After 4 years it is worth £11272.66. What is the compound interest rate? [ 6%]

Q3) Eva invests £10000 in bonds for 14 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)£5125.9 b)£15125.90]

Q3) Prabjot buys a van for £1105 and is kept for 13 years. It depreciates at rate of 3% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£361.31 b)£743.69]

Q3) Joseph invests £4654 in bonds at 1% compound interest per annum. After how many years will the bonds be worth £4747.55? [ 2 years]

Q4) Alex invests £2000 in bonds for 8 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)£343.32 b)£2343.32]

Q4) Ariel buys a van for £5954 and is kept for 5 years. It depreciates at rate of 13% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£2986.4 b)£2967.60]

Q4) Julie invests £127 in bonds at 5% compound interest per annum. After how many years will the bonds be worth £154.37? [ 4 years]

Q5) Sabrina invests £3000 in bonds for 13 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)£5158.87 b)£8158.87]

Q5) Hassan buys a minibus for £33 and is kept for 5 years. It depreciates at rate of 2% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£3.17 b)£29.83]

Q5) Sharney invests £7279 in bonds at 5% compound interest per annum. After how many years will the bonds be worth £10242.28? [ 7 years]

Q6) Alfie invests £3000 in bonds for 9 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)£914.32 b)£3914.32]

Q6) Lumaya buys a van for £7523 and is kept for 11 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)£4516.53 b)£3006.47]

Q6) Sabrina invests £5146 in bonds at 14% compound interest per annum. After how many years will the bonds be worth £8691.39? [ 4 years]

Q7) Alex invests £8000 in bonds for 14 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)£26483.53 b)£34483.53]

Q7) Sam buys a van for £4099 and is kept for 6 years. It depreciates at rate of 2% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£467.93 b)£3631.07]

Q7) Jaden invests £7015 in bonds at 1% compound interest per annum. After how many years will the bonds be worth £7446.56? [ 6 years]

Q8) Kyra invests £2000 in bonds for 9 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)£390.19 b)£2390.19]

Q8) Nathan buys a minibus for £3172 and is kept for 2 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)£309.27 b)£2862.73]

Q8) Alex invests £882 in a bank. After 3 years it is worth £1111.07. What is the compound interest rate? [ 8%]

Q9) Steven invests £9000 in bonds for 3 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)£3308.68 b)£12308.68]

Q9) Kyra buys a minibus for £4503 and is kept for 6 years. It depreciates at rate of 15% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£2804.7 b)£1698.30]

Q9) Luke invests £2734 in a bank. After 3 years it is worth £3164.95. What is the compound interest rate? [ 5%]

Q10) Lumaya invests £7000 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)£1609.12 b)£8609.12]

Q10) Sam buys a van for £4191 and is kept for 12 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. [ a)£3505.04 b)£685.96]

Q10) Sabrina invests £149 in bonds at 12% compound interest per annum. After how many years will the bonds be worth £329.39? [ 7 years]