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If a>b, is ab<b^2?

Expert replies
by Max@Math Revolution » Mon Sep 12, 2016 3:54 pm
If a>b, is ab<b^2?
1) a<0
2) b<0

*An answer will be posted in 2 days.
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Source: — Data Sufficiency |

by Humblejohny » Tue Sep 13, 2016 6:47 am
given a>b which is a-b>0

simplify the question ab<b^2 --> ab-b^2<0
b(a-b)<0 since a-b>0 is positive, we only need to check is b<0?

statement 2 is sufficient so answer is B
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by manu.sharma » Thu Sep 15, 2016 5:59 am
I put in negative decimal and integer value and sometimes ab<b^2 was true and sometimes false on both the statements.
Answer should be E
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