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If a Number has n Zeros at the End, Its Square will have 2n Zeros

Classify the ...

Question

Classify the following set as 'singleton' or 'empty': $D = {d | d \in N, d^{2} \leq 0}$

A

Singleton

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B

Empty

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C

Data insufficient

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D

None of these

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Solution

The correct option is B Empty
The set will be empty as there is no square of a number which is less than zero.

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If a Number has n Zeros at the End, Its Square will have 2n Zeros

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