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Choose a natu...

Question

Choose a natural number that has a predecessor which is not a natural number but a whole number.
(a) ₹10 (b) ₹4 (c) ₹2 (d) ₹1

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Solution

Predecessor of a number = $N u m b e r - 1$
The predecessor of 1:
$= 1 - 1 = 0$ ; which is not a natural number.
Hence, the predecessor of the natural number 1 is a whole number, but not a natural number.

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