Question

The difference between the successor and the predecessor of a number is?
1
2
-1
-2

Answer 1

Answer:

successor 1

Step-by-step explanation:

professor -1

Answer 2

Let the number is n
Then the successor of the number = n+1
and the predecessor of the number = n−1

Difference =n+1−(n−1)
=n+1−n+1
=2