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# What is ab ? (1) (a/b) = (2/3) (2) a^3 = 64 and b^3 = 216

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Manager
Joined: 27 Jun 2007
Posts: 200
Followers: 3

Kudos [?]: 19 [0], given: 0

What is ab ? (1) (a/b) = (2/3) (2) a^3 = 64 and b^3 = 216 [#permalink]  14 Apr 2008, 07:09
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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
What is ab ?

(1) (a/b) = (2/3)

(2) a^3 = 64 and b^3 = 216

OA: B
Manager
Joined: 02 Mar 2008
Posts: 211
Concentration: Finance, Strategy
Followers: 1

Kudos [?]: 40 [1] , given: 1

Re: DS question #2 [#permalink]  14 Apr 2008, 08:09
1
KUDOS
B, multiply both and take root 3
Manager
Joined: 05 Feb 2007
Posts: 140
Followers: 1

Kudos [?]: 7 [0], given: 7

Re: DS question #2 [#permalink]  14 Apr 2008, 12:37
I got B.

statement 1.

2b = 3a , not suff.

statement 2.

a^3 = 64 must be positive, same with the statement about b.

suff.
Re: DS question #2   [#permalink] 14 Apr 2008, 12:37
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