Mr Daniels Maths
Percentages: Interest Compound and Depreciation

Set 1

Set 2

Set 3

Q1) Sam invests £8000 in bonds for 7 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)£7589.74 b)£15589.74]

Q1) Harley buys a minibus for £7922 and is kept for 2 years. It depreciates at rate of 3% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£468.19 b)£7453.81]

Q1) Sam invests £3415 in bonds at 8% compound interest per annum. After how many years will the bonds be worth £4646.07? [ 4 years]

Q2) Eva invests £1000 in bonds for 5 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)£159.27 b)£1159.27]

Q2) Brady buys a van for £103 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)£45.54 b)£57.46]

Q2) Alex invests £1293 in bonds at 5% compound interest per annum. After how many years will the bonds be worth £1732.74? [ 6 years]

Q3) Jonathan invests £9000 in bonds for 3 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)£550.87 b)£9550.87]

Q3) Ariel buys a van for £2247 and is kept for 9 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)£830.83 b)£1416.17]

Q3) Brady invests £4342 in a bank. After 4 years it is worth £7594.19. What is the compound interest rate? [ 15%]

Q4) Ariel invests £5000 in bonds for 13 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)£22462.06 b)£27462.06]

Q4) Joseph buys a van for £2815 and is kept for 7 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)£1360.32 b)£1454.68]

Q4) Steven invests £6097 in bonds at 2% compound interest per annum. After how many years will the bonds be worth £7143.61? [ 8 years]

Q5) Steven invests £800 in bonds for 11 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)£1264.34 b)£2064.34]

Q5) Steven buys a van for £5945 and is kept for 8 years. It depreciates at rate of 12% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£3806.97 b)£2138.03]

Q5) Teagan invests £1386 in a bank. After 4 years it is worth £1956.45. What is the compound interest rate? [ 9%]

Q6) Joseph invests £5000 in bonds for 10 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)£7968.71 b)£12968.71]

Q6) Julie buys a van for £5634 and is kept for 2 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)£1171.31 b)£4462.69]

Q6) McKenzie invests £5326 in bonds at 1% compound interest per annum. After how many years will the bonds be worth £5653.66? [ 6 years]

Q7) Hassan invests £8000 in bonds for 15 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)£25417.99 b)£33417.99]

Q7) Alex buys a motorbike for £2423 and is kept for 4 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)£277.94 b)£2145.06]

Q7) Monique invests £3276 in bonds at 1% compound interest per annum. After how many years will the bonds be worth £3547.44? [ 8 years]

Q8) Hassan invests £800 in bonds for 13 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)£2690.79 b)£3490.79]

Q8) Jaden buys a minibus for £6885 and is kept for 15 years. It depreciates at rate of 1% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end. [ a)£963.5 b)£5921.50]

Q8) Logun invests £7756 in bonds at 2% compound interest per annum. After how many years will the bonds be worth £8395.34? [ 4 years]

Q9) Harley invests £200 in bonds for 13 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)£133.01 b)£333.01]

Q9) Alex buys a van for £2459 and is kept for 15 years. It depreciates at rate of 12% per year. Calculate (a) money the van loses and (b) the value of the van at the end. [ a)£2097.59 b)£361.41]

Q9) McKenzie invests £4848 in bonds at 6% compound interest per annum. After how many years will the bonds be worth £6120.49? [ 4 years]

Q10) Teagan invests £1000 in bonds for 7 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)£828.04 b)£1828.04]

Q10) Sam buys a car for £5428 and is kept for 13 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)£3314.91 b)£2113.09]

Q10) Sabrina invests £3607 in a bank. After 4 years it is worth £5675.68. What is the compound interest rate? [ 12%]