(2)
In each class, the average (arithmetic mean) score on the quiz was 85.
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.
Answer:

Q35:
The operation ○ is defined by the equation x ○ y = (xy)/(x+y), where y ≠ x.
If 3 ○ y = 5
○ 4, then y =
A. 1/9
B. 4/15
C. 5/12
D. 12/5
E. 15/4
Answer:

Q36:
In the
xy
plane, line
l
and line
k
intersect at the point (16/5, 12/5).
What is the slope of
line
l
?
(1)
The product of the slopes of line
l
and line
k
is –1.
(2)
Line
k
passes through the origin.
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.
Answer:
11
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Q37:
Of the families in City
X
in 1994, 40 percent owned a personal computer.
The number of
families in City
X
owning a computer in 1998 was 30 percent greater than it was in 1994,
and the total number of families in City
X
was 4 percent greater in 1998 than it was in
1994.
What percent of the families in City
X
owned a personal computer in 1998?
A. 50%
B. 52%
C. 56%
D. 70%
E. 74%
Answer:


Answers:
EEDDB, DCCBD, CCBEE, BDADD, EDCBD, EDDDA, EDCED, CA
12
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 Spring '12
 Krugers
 Personal computer, Newspaper A

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