Mastering Simple Interest and Profit Loss

What is the simple interest on a principal of $500 at a rate of 5% per annum for 3 years?

• $150

• $75

• $100

• $50

If a person sells a book for $120 and incurs a loss of $30, what was the cost price of the book?

• $130

• 150

• $100

• $90

Calculate the total amount due after 4 years if the simple interest is $200 and the principal is $800.

• $600

• $800

• $1200

• $1000

A car is bought for $15,000 and sold for $18,000. What is the profit made on the car?

• $1,500

• $3,000

• $4,500

• $2,000

If the principal is $1,200 and the interest earned is $240 over 2 years, what is the rate of interest per annum?

• 5%

• 20%

• 10%

• 15%

Determine the loss percentage if an item is bought for $80 and sold for $60.

• 30%

• 15%

• 25%

• 20%

What is the principal if the simple interest earned is $150 at a rate of 6% per annum for 5 years?

• 600

• 400

• 500

• 300

A shopkeeper bought a shirt for $40 and sold it for $50. What is the profit percentage?

• 15%

• 25%

• 20%

• 30%

If the total amount due after 3 years is $1,500 and the principal is $1,200, what is the simple interest?

• $150

• $400

• $200

• $300

Calculate the simple interest on a loan of $2,000 at an interest rate of 4% per annum for 5 years.

• $200

• $600

• $800

• $400