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Is ab > 35? (1) -4 < a < 3 and -5< b<4. (2) a < 5 and b <7.

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 49292
Is ab > 35? (1) -4 < a < 3 and -5< b<4. (2) a < 5 and b <7.  [#permalink]

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New post 31 Oct 2017, 23:05
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Difficulty:

  45% (medium)

Question Stats:

79% (00:49) correct 21% (01:03) wrong based on 42 sessions

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Senior Manager
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Joined: 05 Dec 2016
Posts: 252
Concentration: Strategy, Finance
GMAT 1: 620 Q46 V29
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Is ab > 35? (1) -4 < a < 3 and -5< b<4. (2) a < 5 and b <7.  [#permalink]

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New post 01 Nov 2017, 01:43
(1) All possible combinations give us the values less than 35
Suff
(2) a=4
b=6
ab=24 < 35
a=-10
b=-10
ab=100 > 35 Insuf

A.
Is ab > 35? (1) -4 < a < 3 and -5< b<4. (2) a < 5 and b <7. &nbs [#permalink] 01 Nov 2017, 01:43
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Is ab > 35? (1) -4 < a < 3 and -5< b<4. (2) a < 5 and b <7.

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