Percentages: Interest Simple and Compound

## Difficult

Q1) Multiplication factor to increase by 25% is
Q1) Jenson places £321 in a bank for 9 years at 9% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q1) Steven invests £951 in bonds for 15 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.
Q2) Multiplication factor to increase by 20% is
Q2) McKenzie places £533 in a bank for 8 years at 1% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q2) Alfie invests £1345 in bonds for 7 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.
Q3) Multiplication factor to increase by 50% is
Q3) Brady places £846 in a bank for 14 years at 8% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q3) McKenzie invests £3636 in bonds for 13 years at a 14% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q4) Multiplication factor to increase by 15% is
Q4) Logun places £17 in a bank for 3 years at 3% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q4) Sam invests £6984 in bonds for 10 years at a 2% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q5) Multiplication factor to increase by 35% is
Q5) Ariel places £19 in a bank for 4 years at 4% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q5) Jenson invests £6852 in bonds for 15 years at a 2% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q6) Multiplication factor to increase by 30% is
Q6) Alfie places £858 in a bank for 5 years at 2% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q6) Anna invests £6377 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.
Q7) Multiplication factor to increase by 10% is
Q7) Anna places £536 in a bank for 15 years at 10% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q7) Jenson invests £6921 in bonds for 8 years at a 13% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q8) Multiplication factor to decrease by 50% is
Q8) Alfie places £508 in a bank for 6 years at 9% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q8) Ariel invests £5111 in bonds for 6 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.
Q9) Multiplication factor to decrease by 15% is
Q9) Sharney places £174 in a bank for 2 years at 7% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q9) Steven invests £9086 in bonds for 12 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.
Q10) Multiplication factor to decrease by 5% is
Q10) Prabjot places £56 in a bank for 3 years at 7% simple interest. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.
Q10) Anna invests £1487 in bonds for 9 years at a 12% compound interest rate. Calculate (a) the interest accrued and (b) the amount in the bank at the end of the period.