This is for the ones lacking math drills for the last 24 : DS Archive
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# This is for the ones lacking math drills for the last 24

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This is for the ones lacking math drills for the last 24 [#permalink]

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27 Dec 2003, 22:25
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Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions

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This is for the ones lacking math drills for the last 24 hours

If c and d are positive, is d an integer?

1) c = d^3
2) d = SQRT c
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27 Dec 2003, 22:33
C. Don't know anything other than 1 or 0, which are integers, for C.
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27 Dec 2003, 22:36
A) C = D^3
doesn't give you anything.. not suff
B) D^2 = C
not suff.

combine.. D^3=D^2
possibilities, 0 or 1.

C, suff.
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27 Dec 2003, 22:41
Good answer. Pretty lucid for a saturday night 2 AM
27 Dec 2003, 22:41
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