# What is the ratio? type of ratio

“Comparative study of two quantities **Ratio **It is said that if x and y are two numbers, then the ratio of x and y is represented by x : y.

Ratio is represented by the following symbol:

In other words- **“Ratio is a number that represents the relationship between two homogeneous quantities, which shows how many times one quantity is less or more than the other.”**

If x and y are two like quantities, then the ratio of x and y is written as x/y or x : y.

In Ratio, both the quantities x and y are called terms, out of which the first quantity x is called the former term or first term, and the second quantity y is called the answer term or second term.

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### Types of Ratio

These are as follows-

#### 1.Simple Ratio

A ratio in which both the terms are prime among themselves is called **Simple Ratio** it is said.

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**Example:-** x : y or 4 : 5

#### 2. inverse proportion

The ratio in which the two terms are interchanged is called **Inverse Ratio **it is said.

**Example:- **The inverse ratio of x : y will be y : x.

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#### 3.Compound Ratio

The new ratio formed by the products of the previous terms and the last terms of two or more ratios is called **Compound Ratio **it is said.

**Example:- **The mixed ratio of two ratios (a : b) and (c : d) will be (ac : bd).

#### 4. Square Ratio

If a ratio is mixed with the same to make a new ratio, then it is called **Square Ratio **it is said.

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**Example:- **Square Ratio of X : Y X × X : Y × Y i.e. X² : Y²

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