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If G^2 < G, which of the following could be G?

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If G^2 < G, which of the following could be G?

(A) 1
(B) 23/7
(C) 7/23
(D) -4
(e) -2

I do not understand this basic and I need clarification on this question...

[Reveal] Spoiler:
G raised to the power of 2 < G
=> G raised to the power of 2 -G < 0
=> G(G-1) < 0
=> Either G < 0 OR G-1 < 0
=> G < 0 or G < 1
=> G must be less than 0.

So, shouldn't the negative numbers be the possible values of G?

What I am missing, please?

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