another simple one

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magical cook: Master | Next Rank: 500 Posts; Posts: 484; Joined: Sun Jul 30, 2006 7:01 pmFollowed by: 1 member; Thanked: 2 times

by magical cook » Tue Jan 22, 2008 9:46 pm

In the telephone number 936-215X, what digit does X represent?

(2) The perimeter of floor X is 16 meters.
(1) Only one digit in the telephone number is greater than X.
(2) X is the greatest of the digits not among the telephone number’s first six digits.

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Source: Beat The GMAT — Data Sufficiency | Tue Jan 22, 2008 9:46 pm

simplyjat: Master | Next Rank: 500 Posts; Posts: 423; Joined: Thu Dec 27, 2007 1:29 amFollowed by: 2 members; Location: Hyderabad, India; Thanked: 36 times; GMAT Score:770

by simplyjat » Tue Jan 22, 2008 9:58 pm

I think you have the question wrong....

(2) The perimeter of floor X is 16 meters.
(1) Only one digit in the telephone number is greater than X.
(2) X is the greatest of the digits not among the telephone number’s first six digits.

There can be only one statement for (2)... which one to consider?

simplyjat

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sankruth: Master | Next Rank: 500 Posts; Posts: 195; Joined: Sun Oct 21, 2007 4:33 am; Thanked: 10 times

by sankruth » Tue Jan 22, 2008 10:44 pm

I would assume that Perimeter of the floor is not required.

My answer is B

The digits not among the 1st six are 0, 4, 7 and 8. So 8 is the largest.

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camitava: Legendary Member; Posts: 645; Joined: Wed Sep 05, 2007 4:37 amFollowed by: 5 members; Location: India; Thanked: 34 times

by camitava » Wed Jan 23, 2008 12:46 am

I will go for D. Because from 1 also, u can get the value of X. In the number, there is only digit greater than X. As 9 is the greatest, X should be 8.
And for stmt-2, Sankruth has already mentioned the reason ...

Correct me If I am wrong

Regards,

Amitava

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sankruth: Master | Next Rank: 500 Posts; Posts: 195; Joined: Sun Oct 21, 2007 4:33 am; Thanked: 10 times

by sankruth » Wed Jan 23, 2008 1:09 am

camitava wrote:I will go for D. Because from 1 also, u can get the value of X. In the number, there is only digit greater than X. As 9 is the greatest, X should be 8.
And for stmt-2, Sankruth has already mentioned the reason ...

From St 1, X could be 7 or 8. So INSUFF.

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camitava: Legendary Member; Posts: 645; Joined: Wed Sep 05, 2007 4:37 amFollowed by: 5 members; Location: India; Thanked: 34 times

by camitava » Wed Jan 23, 2008 3:47 am

My careless miss, sir! Thanks 4 pointing out my mistake ...

:roll:

Correct me If I am wrong

Regards,

Amitava

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magical cook: Master | Next Rank: 500 Posts; Posts: 484; Joined: Sun Jul 30, 2006 7:01 pmFollowed by: 1 member; Thanked: 2 times

by magical cook » Wed Jan 23, 2008 5:41 am

sorry for the confusion. forget about the first (1) that's from somewhere...

anyway, I first thought D too but answer is B. thanks

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