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Variable - Maths, Class 6 (CBSE) Video Lecture

FAQs on Variable - Maths, Class 6 (CBSE) Video Lecture

1. What is a variable in mathematics?
Ans. In mathematics, a variable is a symbol or letter that represents an unknown or changing quantity. It is used to create equations and express relationships between different quantities.
2. How are variables used in solving mathematical problems?
Ans. Variables are used in solving mathematical problems by assigning them values and manipulating them through various mathematical operations. By substituting different values for variables, we can find solutions to equations and solve problems.
3. Can you give an example of a mathematical equation involving variables?
Ans. Sure! An example of a mathematical equation involving variables is: "2x + 5 = 15". In this equation, 'x' is the variable, and we need to find its value that satisfies the equation. By solving this equation, we can determine that 'x' is equal to 5.
4. What is the importance of variables in real-life situations?
Ans. Variables play a crucial role in real-life situations as they help us represent and analyze various quantities or phenomena. For example, variables can be used to represent the time taken to complete a task, the cost of an item, or the distance traveled. By using variables, we can model and solve real-life problems mathematically.
5. How can understanding variables help in understanding more complex mathematical concepts?
Ans. Understanding variables is essential in comprehending more complex mathematical concepts because variables are the building blocks of many mathematical ideas. They help us express relationships, formulate equations, and solve problems systematically. By mastering the concept of variables, we can easily transition to more advanced mathematical topics like algebra and calculus.
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