EVEN & ODD NUMBERS

             

     *Even Numbers:*

The numbers which are exactly divisible by 2 are called even numbers. 

2, 4, 6, 8, 24,

 6780, 54328 etc

We can recognize the numbers as an even number if its one's place digit is 0, 2, 4, 6 or 8.

*Odd Numbers:*

The numbers which are not exactly divisible by 2 are called odd numbers. 

1, 3, 5, 7, 9, 11, 17

 67809, 543285 etc

We can recognize the numbers as an odd number if its one's place digit is 1, 3, 5, 7 or 9.

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*Exercise* 

Choose the even or odd numbers from the following numbers. 

56, 89, 654, 986, 763, 6543297, 76543, 876548, 567800

 *Solution* 

56, 654, 986, 876548 and 567800 are the even numbers. 

89, 763, 6543297, 76543 are the odd numbers.

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Number System (Basic Introduction)

 

*Hindu Arabic Numeral System :*

Ten symbols are used in Hindu Arabic Numeral System or Indo Arabic Numeral System. 

0,1,2,3,4,5,6,7,8 and 9.

*Natural Numbers :* 

Counting numbers are called Natural Numbers or Cardinal Numbers. 

1,2,3,4,5,6,.......

Q) : Which number is the smallest natural number? 

Ans) : 1(one) is the smallest natural number. 

Q) : Which number is the greatest natural number? 

Ans) : We do not have any largest or greatest natural number.

*Whole Numbers :* 

Counting numbers along with the zero (0) are called Whole Numbers . 

0,1,2,3,4,5,6,.......

Q) : Which number is the smallest whole number? 

Ans) : 0(zero) is the smallest whole number. 

Q) : Which number is the greatest whole number? 

Ans) : We do not have any largest or greatest whole number.