Chapter 1 of Class 6 Maths is about knowing whole numbers and their properties. It is crucial to understand this chapter as it lays the foundation for further maths concepts. Here are some questions and answers on this chapter:

Question 1: What is a whole number?
A whole number is a number that is not a fraction or a decimal. It is a positive number that can be written without a fractional or decimal component. Whole numbers include 0 and all positive integers (1, 2, 3, 4, ...).

Question 2: What is the successor of a number?
The successor of a number is the next number after that given number. For example, if the number is 5, then the successor of 5 is 6.

Question 3: What is the predecessor of a number?
The predecessor of a number is the number that comes before that given number. For example, if the number is 5, then the predecessor of 5 is 4.

Question 4: What is the difference between even and odd numbers?
Even numbers are those that can be divided into two equal parts, and the result will always be a whole number. Odd numbers, on the other hand, cannot be divided into two equal parts, and the result will always have a remainder of 1.

Question 5: How can we check if a number is divisible by 2, 3, 5, 9?
To check if a number is divisible by 2, we need to check if the last digit of that number is even (0, 2, 4, 6, 8). For example, the number 26 is divisible by 2 as its last digit is 6.

To check if a number is divisible by 3, we need to check if the sum of its digits is divisible by 3. For example, the number 123 is divisible by 3 as 1+2+3=6, which is divisible by 3.

To check if a number is divisible by 5, we need to check if the last digit of that number is either 0 or 5. For example, the number 25 is divisible by 5 as its last digit is 5.

To check if a number is divisible by 9, we need to check if the sum of its digits is divisible by 9. For example, the number 81 is divisible by 9 as 8+1=9, which is divisible by 9.

In conclusion, understanding whole numbers and their properties is essential in mathematics, and these questions and answers can help you to have a better understanding of the chapter.

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