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Introduction: Even and Odd Numbers Video Lecture | Quantitative Aptitude for SSC CGL

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FAQs on Introduction: Even and Odd Numbers Video Lecture - Quantitative Aptitude for SSC CGL

1. What are even numbers and how are they defined?
Ans.Even numbers are integers that are divisible by 2 without any remainder. This means that when you divide an even number by 2, the result is always a whole number. Examples of even numbers include -4, -2, 0, 2, 4, and so on.
2. What are odd numbers and how can they be identified?
Ans.Odd numbers are integers that are not divisible by 2. When an odd number is divided by 2, there is always a remainder of 1. Examples of odd numbers include -3, -1, 1, 3, 5, etc.
3. Can you give examples of how to identify even and odd numbers in a sequence?
Ans.To identify even and odd numbers in a sequence, you can simply check each number. For instance, in the sequence 1, 2, 3, 4, 5, the even numbers are 2 and 4, while the odd numbers are 1, 3, and 5. You can also look for patterns, such as every second number being even.
4. What is the sum of an even number and an odd number?
Ans.The sum of an even number and an odd number is always odd. For example, if you take the even number 4 and add the odd number 3, the result is 7, which is odd. This rule holds true for any even and odd number combination.
5. How do even and odd numbers play a role in mathematical operations?
Ans.Even and odd numbers have specific properties that affect mathematical operations. For example, the product of two even numbers is always even, the product of two odd numbers is always odd, and the product of an even and an odd number is always even. Understanding these properties is essential for solving various mathematical problems.

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