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# What is the cube root of w ?

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Manager
Joined: 11 Jan 2007
Posts: 202
Location: Bangkok
Followers: 1

Kudos [?]: 10 [0], given: 0

What is the cube root of w ? [#permalink]  09 Jun 2007, 19:37
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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Q12:
What is the cube root of w ?
(1) The 5th root of w is 64.
(2) The 15th root of w is 4.
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cool

CEO
Joined: 17 May 2007
Posts: 2994
Followers: 59

Kudos [?]: 467 [0], given: 210

B is sufficient.

w ^ 1/15 = 4
w ^ 5/15 = 4 ^ 5

There might be a way to solve it via just A as well , however I didnt see an easy way so I left it at that.
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