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My own creation. Should be pretty easy. 7776^(1/5) =

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Intern
Joined: 01 Dec 2003
Posts: 35
Location: infront of my LCD
My own creation. Should be pretty easy. 7776^(1/5) = [#permalink]

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15 Jan 2004, 23:11
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My own creation. Should be pretty easy.

7776^(1/5) = X, find X.

A. 4
B. 9
C. 6
D. 3
E. 5
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4288

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16 Jan 2004, 02:07
C without calculations since it is only one that units digit always stay at 6 for every power.
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Best Regards,

Paul

Manager
Joined: 26 Dec 2003
Posts: 227
Location: India

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16 Jan 2004, 05:33
Agree C as only digit 6 * 5 times gives the number
16 Jan 2004, 05:33
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