Question

Which one of the following whole numbers does not have a predecessor ?
(a) 1 (b) 0 (c) 2 (d) None of these

Answer 1

The numbers 0, 1, 2, 3, 4, .... form the collection of whole numbers. The smallest whole number is 0.
So, 0 does not have a predecessor.
Hence, the correct option is (b).