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Q.

Which one of the following whole numbers does not have a predecessor?


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a

1

b

0

c

2

d

None of the above 

answer is B.

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Detailed Solution

The first whole number is 0. So, we cannot have a predecessor of 0 as a whole number.
Thus, the whole number whose predecessor does not exist from the set of whole numbers is 0.
Therefore, the correct option is 2.
 
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