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There are six cards numbered from 1 to 6 in a box. With

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Joined: 11 May 2008
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There are six cards numbered from 1 to 6 in a box. With [#permalink]

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New post 31 Jul 2008, 10:04
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

There are six cards numbered from 1 to 6 in a box. With replacement, a card is taken out from the box three times. If the sum of the three cards is 12, is the card numbered 5 taken out at least for once?
(1) All the cards taken out cannot be divisible by 3.
(2) Two of the cards had been taken out.
A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient.
B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient.
C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient.
D. Each Statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient

i didn underst the 2nd sentence... is there repalacement or not?

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Re: help !!! [#permalink]

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New post 31 Jul 2008, 10:46
I agree, statement 2 doesn't make any sense. And statement #1 doesn't seem to be worded very well. It appears to state:

No card taken out can be divisible by 3.

What is the source of this question?
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Re: help !!! [#permalink]

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New post 31 Jul 2008, 11:00
arjtryarjtry wrote:
There are six cards numbered from 1 to 6 in a box. With replacement, a card is taken out from the box three times. If the sum of the three cards is 12, is the card numbered 5 taken out at least for once?
(1) All the cards taken out cannot be divisible by 3.
(2) Two of the cards had been taken out.
A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient.
B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient.
C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient.
D. Each Statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient

i didn underst the 2nd sentence... is there repalacement or not?



I donn't understand the 2 choice :Two of the cards had been taken out.?
I think from 1 to 6,we first take one number from a box then should put this number into the box again.
So from1)==we can't identify number 5 must in this sum.
cos 4+4+4=12..
from2),I donn't know what's meaning?

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Re: help !!!   [#permalink] 31 Jul 2008, 11:00
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There are six cards numbered from 1 to 6 in a box. With

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