What is the difference between the successor and predecessor of any given number?

number itself

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Solution

The correct option is D 2
Successor of any number = number + 1
Predecessor of number = number - 1
Difference of successor and predecessor = (number + 1) - (number - 1)
= number + 1 - number - (-1)
= 1 + 1 = 2.
Therefore, option 'd' is correct.

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