Simple interest

What is the simple interest on $4000 at 3.5% p.a. For 6 years?

• $84

• $840

• $8400

To find the simple interest on $75 640 at 18.3% p.a. For 210 days, the calculation 75 640 x 0.183 should be multiplied by what fraction?

What is the total value of investment of $17 400 over two years at 3.75% p.a. flat rate interest?

• $1305

• $13050

• $18705

• $187050

A $13000 investment has earned $2808 in simple interest after 4 years. What is the annual interest rate?

How many years would it take for an investment of $4000 with simple interest of 2.5% p.a. to earn $200 interest?

• 1 year

• 1.5 years

• 2 years

• 2.5 years

How much interest is charged for a loan of $8000 if 12 repayments of $900 was made?