Percentages: Interest Compound and Depreciation

## Difficult

Q1) Anna invests £8730 in bonds for 15 years at a 1% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q1) Alfie buys a car at £8915 and is kept for 3 years. It depreciates at rate of 13% per year. Calculate (a) money the car loses and (b) the value of the car at the end.
Q1) Nathan invests £1519 in a bank. After 3 years it is worth £2191.76. What is the compound interest rate?
Q2) Sam invests £4664 in bonds for 13 years at a 4% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q2) Alex buys a racing bicycle at £428 and is kept for 9 years. It depreciates at rate of 3% per year. Calculate (a) money the racing bicycle loses and (b) the value of the racing bicycle at the end.
Q2) Kyra invests £703 in a bank. After 8 years it is worth £1868.89. What is the compound interest rate?
Q3) Prabjot invests £2240 in bonds for 6 years at a 10% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q3) Steven buys a motorbike at £2683 and is kept for 11 years. It depreciates at rate of 4% per year. Calculate (a) money the motorbike loses and (b) the value of the motorbike at the end.
Q3) Sam invests £2774 in bonds at 12% compound interest per annum. After how many years will the bonds be worth £4364.94?
Q4) Kyra invests £1208 in bonds for 5 years at a 5% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q4) Sam buys a minibus at £4982 and is kept for 12 years. It depreciates at rate of 7% per year. Calculate (a) money the minibus loses and (b) the value of the minibus at the end.
Q4) Kyra invests £7061 in bonds at 1% compound interest per annum. After how many years will the bonds be worth £7202.93?
Q5) Kyra invests £2012 in bonds for 5 years at a 4% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q5) Prabjot buys a van at £8315 and is kept for 12 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.
Q5) Anna invests £524 in a bank. After 5 years it is worth £607.46. What is the compound interest rate?
Q6) Prabjot invests £9678 in bonds for 14 years at a 4% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q6) Sam buys a minibus at £698 and is kept for 12 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.
Q6) Sam invests £6211 in a bank. After 4 years it is worth £10126.87. What is the compound interest rate?
Q7) Teagan invests £9353 in bonds for 12 years at a 3% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q7) Ariel buys a van at £3476 and is kept for 12 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.
Q7) Harley invests £9021 in bonds at 5% compound interest per annum. After how many years will the bonds be worth £10965.08?
Q8) Brady invests £7081 in bonds for 8 years at a 1% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q8) Ariel buys a car at £885 and is kept for 3 years. It depreciates at rate of 15% per year. Calculate (a) money the car loses and (b) the value of the car at the end.
Q8) Nathan invests £4321 in a bank. After 8 years it is worth £5062.74. What is the compound interest rate?
Q9) Teagan invests £3209 in bonds for 4 years at a 9% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q9) Nathan buys a van at £3547 and is kept for 11 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.
Q9) Prabjot invests £9876 in bonds at 15% compound interest per annum. After how many years will the bonds be worth £15020.16?
Q10) McKenzie invests £1882 in bonds for 12 years at a 4% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q10) Prabjot buys a car at £4758 and is kept for 12 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.
Q10) Jenson invests £5596 in bonds at 15% compound interest per annum. After how many years will the bonds be worth £14885.47?