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Percentage and Its
10 Applications

Learning Objectives

After studying this chapter, students will be able to... Scan to learn
 understand and explain the concept and use of percentage
 compare two quantities using percentage
 calculate the percentage of a quantity when the total is not a hundred
 convert fractional numbers and decimal numbers into percentages and vice versa
 express a quantity as percentage of another quantity
 calculate ratios to per cents
 increase or decrease quantities as per cent
 apply the concept of percentage in real-life applications: profit or loss and simple interest

GET READY!

Nakul and Cheeku's father sells the decorative items made of recycled objects on an online plateform.

Papa! What will be Nakul, it will be
the selling price of sold at `750.
this article?

Yes! We will earn 25
per cent (25%) profit
Okay! We will earn on this article.
a profit of `150 on
this article as its cost
price is `600. Per cent! What is
this? How can I get
profit in per cent?

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