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30 Sep 2007, 01:04
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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.
I picked D
My app:
info 1 suff: 10Z = 10 X 93120
info 2 suff: 9,299.9 (>5) so it has to be 9
Views???
(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.
I picked D
My app:
info 1 suff: 10Z = 10 X 93120
info 2 suff: 9,299.9 (>5) so it has to be 9
Views???
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30 Sep 2007, 01:37
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A..
st1 10z=93120
so z=9312 so hundredth digit is 3 ==>suff
st2 wen z is rounded it is 9300
so it can be either 2 0r 3..cuz 9299.6~9300 n 9300.12~9300
so it is insuff
st1 10z=93120
so z=9312 so hundredth digit is 3 ==>suff
st2 wen z is rounded it is 9300
so it can be either 2 0r 3..cuz 9299.6~9300 n 9300.12~9300
so it is insuff
