Successor Definition – **Successor** of any whole number is the number, obtained by **adding 1** to that number.

Predecessor Definition – **Predecessor** of any whole number is the number obtained by **subtracting 1** from it.

**Successor of a Number Examples**

**Question 1**

Find the successor of 321781?

**Explanation : –**

The “Successor” of any whole number is the number, obtained by adding 1 to that number.

So, the successor of 321781 is 321781 + 1 = 321782

**Question 2**

Find the successor of 531282

**Explanation : –**

The “Successor” of any whole number is the number, obtained by adding 1 to that number.

So, the successor of 531282 is 531282 + 1 = 531283

**Predecessor of a Number Examples**

**Question 1**

Find the predecessor of 213456

**Explanation : –**

The “Predecessor” of any whole number is the number obtained by subtracting 1 from it.

So, the predecessor of 213456 is 213456 – 1 = 213455

**Question 2**

Find the predecessor of 889124

**Explanation : –**

The “Predecessor” of any whole number is the number obtained by subtracting 1 from it.

So, the predecessor of 889124 is 889124 – 1 = 889123

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