Q57 of 200 Page 5

Predecessor of a two digit number is always a two digit number.

False.

If we consider a 2-digit number 10, then its predecessor will be
10 - 1 = 9, which is a 1-digit number.
∴ It is false.

Successor of a one digit number is always a one digit number.

Successor of a 3-digit number is always a 3-digit number.

Every whole number has its successor.

Every whole number has its predecessor.