Green Bridge Learning Resource For Percentages, Interest And Profit

Overview

Percentages are the language money speaks. A discount in a sale, the interest on a loan, a profit on a sale, the tax on a receipt: all of them are percentages, and being quick with them is one of the most useful everyday skills mathematics gives you.

In this lesson you will find percentages of quantities, handle percentage increase and decrease, and tackle the two ideas examiners love: the difference between simple and compound interest, and profit and loss as percentages. Master these and a whole class of exam questions becomes routine.

Lesson Evaluation

Congratulations on completing the lesson on Percentages, Interest And Profit. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.

You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.

Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.

Increase $50 by 30%. A. $15 B. $65 C. $80 D. $150 Answer: B
A trader buys for $40 and sells for $50. What is the percentage profit? A. 10% B. 20% C. 25% D. 80% Answer: C
$2000 is invested at 5% per year compound interest. What is the value after 2 years? A. $2100.00 B. $2200.00 C. $2205.00 D. $2210.00 Answer: C
What is the simple interest on $500 at 4% per year for 3 years? A. $20 B. $40 C. $60 D. $600 Answer: C
A coat costing $80 is reduced by 15%. What is the sale price? A. $12 B. $65 C. $68 D. $92 Answer: C