The difference between successor and predecessor of any number is,

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None of these

answer is C.

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Detailed Solution

Concept: For the above questions, you first need to know something about the terms successor and predecessor. In mathematics, the terms successor and predecessor mean that they come immediately after or before a certain number. Also, this only applies to integers. Subsequent and leading are named after or before the number. The predecessor refers to the term before the particular term, and the successor refers to the next term of the particular term. To find the successor to an integer, you need to add 1 to the specified number. To find a predecessor, you need to subtract 1 from the specified number.
Let the number is

Then the successor of the number

and the predecessor of the number

Difference

Hence, the option 3 is correct.

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