more questions

hellokelly

Q29:this one is really terrible, why b??

        

    

The
annual rent collected by a corporation from a certain building was x
percent more in 1998 than in 1997 and y percent less in 1999 than in
1998.  Was the annual rent collected by
the corporation from the building more in 1999 than in 1997?

    

(1)
              x > y

    

(2)
             
            xy/100< x – y

    

                  

    

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.

98: (1+x)97=>97=98/1+x

99:98(1+y)

99-97=98(1+y)-98/1+x

On her way home from work, Janet drives through several tollbooths.  Is there a pair of these tollbooths that are
less than 10 miles apart?

    

 

    

(1)  The first tollbooth and the
last tollbooth are 25 miles apart.

    

 

    

(2)  Janet drives through 4
tollbooths on her way home from work.

    

 

    

C but they didn't tell us they distribute the 4 tollbooths equally!

 

    

Each employee on a certain task force is either a manager or a director.  What percent of the employees on the task
force are directors?

    

 

    

(1) The average (arithmetic mean) salary of the managers on the task
force is $5,000 less than the average salary of all employees on the task
force.

    

 

    

(2) The average (arithmetic mean) salary of the directors on the task
force is $15,000 greater than the average salary of all employees on the task
force.

    

 

    

C

    

 

In a
nationwide poll, N people were interviewed, If 1/4 of them answered “yes” to
question 1, and of those ,1/3 answered “yes” to question 2, which of the
following expressions represents the number of people interviewed who did not
answer “yes” to both questions ?

    

(A)N/7

    

(B) 6N/7

    

(C) 5N/12

    

(D) 7N/12

    

(E) 11N/12

    

Q32.

    

Last year in a group of 30
businesses, 21 reported a net profit and

    

15 had investments in foreign
markets. How many of the businesses

    

did not report a net profit nor
invest in foreign markets last year?

    

(1) last year 12 of the 30
businesses

    

  
reported a net profit and had invest-

    

  
ments in foreign markets.

    

(2) last year 24 of the 30
businesses

    

  
reported a net profit or invested in

    

foreign markets, or both.                  B why not D

    

Q13

    

If the average (arithmetic mean) of the assessed values

    

of x houses is
$212,000 and the average of the assessed

    

values of y
other houses is $194,000, what is the average

    

of the assessed
values of the x+y houses?

    

 

    

(1)   
x+y=36

    

(2)   
x=2y

    

 

    

     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:

    

Answer C and I think B is
sufficient 212x+194y/x+y=(212x+194*x/2)/x+1/2x

Q8

    

A department manager distributed a number of pens, pencils,

    

and pads among
the staff in the department, with each staff

    

member
receiving x pens, y pencils, and z pads. How many

    

staff members
were in the department?

    

(1)   
The numbers of pens, pencils, and pads

    

that each
staff member received were in

    

the retio
2:3:4, respectively.

    

(2)   
The manager distributed a total of

    

18 pens, 27
pencils, and 36 pads. E

why not C since the number of staff should be 9

26

    

Does the decimal equivalent
of P/Q, where P and Q are positive integers, contain only a finite number of
nonzero digits?

    

(1)   P>Q 

    

(2)   Q=8

    

l       
Statement (1)
ALONE is sufficient, but statement (2) alone is not sufficient

    

l       
Statement (2)
ALONE is sufficient, but statement (1) alone is not sufficient

    

l       
BOTH statements
TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

    

l       
EACH statement
ALONE is sufficient

    

l       
Statements (1)
and (2) TOGETHER are NOT sufficient

    Answer E and I
thought it should be B since Q=8

Q29:

    

Is the integer n odd?

    

(1)
          n is divisible by 3.

    

(2)
          2n is divisible by
twice as many positive integers as n.

    

                  

    

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: B does B mean the number is a prime?

    

Q26:

    

How many different 6-letter sequences are there that consist
of 1 A, 2 B’s, and 3 C’s ?

    

 

    

A.     
6

    

B.     
60

    

C.     
120

    

D.    
360

    

E.     
720

    

Answer: B why not p61p52p33?

    

What is the remainder when
the positive integer x is divided by 8?

    

(1)    When x
is divided by 12, the remainder is 5.

    

(2)    When x
is divided by 18, the remainder is 11.

    

                         

    

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.

    

wangxiaoqing

are these questions from jj

hellokelly

no, but up up~