Source MGMAT
If 0 < ab < ac, is a negative?
1) c < 0
2) b > c
[spoiler]ANS : D[/spoiler]
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Inequality
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From 1
ac>0 so a and c have same sign
c<0..so a<0...sufficient
From 2
b>c...is we multiply both sides by negative then only inequality will reverse
ab<ac...a is negative...sufficient
Ans option D
ac>0 so a and c have same sign
c<0..so a<0...sufficient
From 2
b>c...is we multiply both sides by negative then only inequality will reverse
ab<ac...a is negative...sufficient
Ans option D
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