Question

The predecessor of whole number O is:
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Answer 1

Answer:

(l) The whole number 0 has no predecessor. (m) The successor of a two digit number is always a two digit number.

Answer 2

The predeseccor of 0 is -1

0-1= -1

Although the predeseccor of 0 is -1 but this -1 is a number which does not belong to the family of Whole numbers , it is in the family of Negative numbers and Integers

Please find my attached image to see the family of numbers