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If b is not negative, is b an integer?

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Source: — Data Sufficiency |
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by GMATGuruNY » Mon Nov 27, 2017 4:07 am
lheiannie07 wrote:If b is not negative, is b an integer?

(1) b^2 < 1
(2) b^4 < 1
When the statements are combined, it's possible that b=0 or that b=1/2.
Since b is an integer in the first case but a non-integer in the second case, the two statements combined are INSUFFICIENT.

The correct answer is E.
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