Multiple choice

If K is a number, then the difference of its successor and predecessor will be

  1. 0

  2. 2

  3. 4

  4. 5

  5. None of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The given number is K. Therefore, its successor = K + 1 Its predecessor = K - 1 Difference = (K + 1 ) - (K - 1) = K + 1 - K + 1