“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.
More Information:- What is class?
Types of Ratio
These are as follows-
A ratio in which both the terms are prime among themselves is called Simple Ratio it is said.
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.
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.
Example:- Square Ratio of X : Y X × X : Y × Y i.e. X² : Y²
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Read in Hindi: What is the ratio? type of ratio