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ds - cons integers

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SVP
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ds - cons integers [#permalink]

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New post 04 Sep 2008, 11:20
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What is the product of 6 consecutive integers?

The greatest integer is 4
The sequence has both positive and negative integers


Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient
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Re: ds - cons integers [#permalink]

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New post 04 Sep 2008, 11:28
x2suresh wrote:
What is the product of 6 consecutive integers?

The greatest integer is 4
The sequence has both positive and negative integers


Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient


Good one! The answer is D.

1) (-1) * (0) * (1) * (2) * (3) * (4) = 0
2) If the sequence has both positive and negative, then it must contain zero.
The product is 0.

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Re: ds - cons integers [#permalink]

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New post 04 Sep 2008, 15:17
devilmirror wrote:
x2suresh wrote:
What is the product of 6 consecutive integers?

The greatest integer is 4
The sequence has both positive and negative integers


Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient


Good one! The answer is D.

1) (-1) * (0) * (1) * (2) * (3) * (4) = 0
2) If the sequence has both positive and negative, then it must contain zero.
The product is 0.



Exactly. Both the statements say that 0 is one of the 6 numbers. The final product of a set of a numbers with 0 in it is 0. Hence D

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Re: ds - cons integers [#permalink]

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New post 05 Sep 2008, 22:06
x2suresh wrote:
What is the product of 6 consecutive integers?

The greatest integer is 4
The sequence has both positive and negative integers


Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient


say n,n+1,n+2,n+3,n+4,n+5 are the integers
1)greatest n+5=4 gives value of others hence SUFFI
2)both positive and negative => hence product is always 0 since in consec,0 will surely occur SUFFI
IMO D
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Re: ds - cons integers   [#permalink] 05 Sep 2008, 22:06
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