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Expert replies
by zozo123 » Tue Jul 31, 2007 5:40 am
What is the hundreds digit of the integer z?

(1) 10z = 93,120

(2) z rounded to the nearest hundred is 9,300.

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.
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Source: — Data Sufficiency |

by chatekar » Tue Jul 31, 2007 6:01 am
I think its [A] - Statement 1 is sufficient.

Whats the OA?

Thanks
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by zozo123 » Wed Aug 01, 2007 4:22 am
The OA is E
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by chatekar » Wed Aug 01, 2007 4:27 am
My explanation goes like this

10z = 93120 ===> z = 9312
Hence, the hundred's digit = 3

Am I making any mistake?
Moderators please help.

by the way. whats the source of this problem?

Thanks
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by zozo123 » Wed Aug 01, 2007 5:04 am
the source (see attached file)
You do not have the required permissions to view the files attached to this post.
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by bingojohn » Tue Aug 07, 2007 5:40 am
[quote="zozo123"]the source (see attached file)[/quote]

chatekar is right.

The answer is (A), if the LHS of the eq is considered multiplication, as in

10 * z = 93120
z = 9312
100's digit = 1, so (1) is sufficient alone

I don't see how the answer could be (E). Anyone?
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by gabriel » Tue Aug 07, 2007 6:01 am
.. yup .. i agree ..answer shuld b A ..

.. zozo .. i dont see the question in the attached file ...
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