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kaplan #8

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kaplan #8

by magical cook » Wed Aug 22, 2007 5:12 pm
8 . A list contains 11 consecutive intergers. what is the greatest integer on the list?

1) If x is the smallest integer on the list, then (x+72)^1/3=4
2) If x is the smallest intreger on the list, then 1/64=x^-2


Can anyone help? Correct answer will follow. :)
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by joey » Wed Aug 22, 2007 8:44 pm
from A
u get x=-8..since it is 11 consecutive numbers and x is the smallest the greatest integer can be calculated..SUFFICIENT.

from B
u get x=+/-8 so u cannot find the greatest integer.. hence INSUFF
so ans A
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by magical cook » Thu Aug 23, 2007 7:16 am
Thant's correct - thanks!
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