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ninomoi
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ninomoi
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gayathri
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I think the answer is D

[a^2-4b^2]/[2a-4b] = (a+2b)/2

Statement 1: a is odd
2b is always even, but if a is odd, a+2b will be odd
=> (a+2b)/2 is not an integer. Sufficient

Statement 2: a is even
a+2b will be even and therefore divisible by two.
=> (a+2b)/2 is an integer. Sufficient
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ComplexVision
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Nice explanation gayathri... Thanks
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Thanks mate! Nice explanation! D is the OA :lol:



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