Mr Daniels Maths
Percentages: Interest Compound and Depreciation

Set 1

Set 2

Set 3

Q1) Lumaya invests £600 in bonds for 9 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)£599.4 b)£1199.40]

Q1) Luke buys a motorbike for £8634 and is kept for 11 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)£5574.38 b)£3059.62]

Q1) Luke invests £8079 in bonds at 8% compound interest per annum. After how many years will the bonds be worth £10177.21? [ 3 years]

Q2) Joseph invests £2000 in bonds for 7 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)£814.2 b)£2814.20]

Q2) Hassan buys a minibus for £6550 and is kept for 14 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)£5876.86 b)£673.14]

Q2) Luke invests £6398 in bonds at 14% compound interest per annum. After how many years will the bonds be worth £12318.80? [ 5 years]

Q3) Steven invests £7000 in bonds for 2 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)£1624.7 b)£8624.70]

Q3) Joseph buys a racing bicycle for £174 and is kept for 8 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)£116.89 b)£57.11]

Q3) Ariel invests £2790 in a bank. After 7 years it is worth £6167.80. What is the compound interest rate? [ 12%]

Q4) Eva 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]

Q4) Sam buys a motorbike for £8422 and is kept for 3 years. It depreciates at rate of 12% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end. [ a)£2682.64 b)£5739.36]

Q4) Hammid invests £9902 in bonds at 5% compound interest per annum. After how many years will the bonds be worth £10916.96? [ 2 years]

Q5) Jaden invests £1000 in bonds for 4 years at a compound interest rate of 4%. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period. [ a)£169.86 b)£1169.86]

Q5) Hassan buys a racing bicycle for £1862 and is kept for 10 years. It depreciates at rate of 11% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end. [ a)£1281.4 b)£580.60]

Q5) Luke invests £891 in bonds at 3% compound interest per annum. After how many years will the bonds be worth £1002.83? [ 4 years]

Q6) Lumaya invests £9000 in bonds for 4 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)£2797.16 b)£11797.16]

Q6) Brady buys a racing bicycle for £7247 and is kept for 8 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)£4868.45 b)£2378.55]

Q6) Teagan invests £654 in a bank. After 2 years it is worth £864.92. What is the compound interest rate? [ 15%]

Q7) Lumaya invests £1000 in bonds for 3 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)£92.73 b)£1092.73]

Q7) Alex buys a minibus for £4477 and is kept for 9 years. It depreciates at rate of 14% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£3324.95 b)£1152.05]

Q7) Julie invests £5315 in a bank. After 3 years it is worth £7074.27. What is the compound interest rate? [ 10%]

Q8) Sharney invests £6000 in bonds for 6 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)£3521.25 b)£9521.25]

Q8) Jonathan buys a minibus for £8579 and is kept for 9 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)£4907.79 b)£3671.21]

Q8) Jonathan invests £4198 in bonds at 2% compound interest per annum. After how many years will the bonds be worth £4367.60? [ 2 years]

Q9) Jonathan invests £400 in bonds for 4 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)£207.23 b)£607.23]

Q9) Sam buys a van for £9075 and is kept for 14 years. It depreciates at rate of 6% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£5258.75 b)£3816.25]

Q9) Jennine invests £5305 in a bank. After 6 years it is worth £11644.33. What is the compound interest rate? [ 14%]

Q10) Jennine invests £3000 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)£380.48 b)£3380.48]

Q10) Sabrina buys a racing bicycle for £1777 and is kept for 15 years. It depreciates at rate of 10% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end. [ a)£1411.13 b)£365.87]

Q10) Jenson invests £1371 in a bank. After 6 years it is worth £2564.34. What is the compound interest rate? [ 11%]