Search found 484 matches
- by magical cook
Mon Feb 18, 2008 12:20 am- Forum: Data Sufficiency
- Topic: set 24 Q 12
- Replies: 6
- Views: 6847
- by magical cook
Fri Feb 15, 2008 10:30 pm- Forum: Problem Solving
- Topic: CONFIRM PLS?
- Replies: 6
- Views: 4091
CONFIRM PLS?
Raymond purchased a package of ground beef at a cost of $1.98 per pound. If, for the
same amount of money, Raymond could have purchased a piece of steak that weighed 40
percent less than the package of ground beef, what was the cost per pound of the steak?
A. $4.95
B. $4.20
C. $3.60
D. $3.30
E. $3.10
- by magical cook
Fri Feb 15, 2008 9:57 pm- Forum: Problem Solving
- Topic: CONFIRM PLS?
- Replies: 6
- Views: 4091
sorry, it's supposed to be "x (y + z) >= 0 ?" so it could be 0> or >0 since we just know all of the sign are the same? that's my theory to get E...
- by magical cook
Wed Feb 13, 2008 8:13 am- Forum: Data Sufficiency
- Topic: confirm pls?
- Replies: 3
- Views: 1765
- by magical cook
Wed Feb 13, 2008 8:02 am- Forum: Data Sufficiency
- Topic: pls confirm the answer
- Replies: 2
- Views: 1590
confirm pls?
If xyz ≠ 0, is x (y + z) 0?
(1) ly + zl = lyl + lzl
(2) lx + yl = lxl + lyl
[spoiler]
I thinkE but OA is C..[/spoiler]
- by magical cook
Tue Feb 12, 2008 11:52 pm- Forum: Data Sufficiency
- Topic: confirm pls?
- Replies: 3
- Views: 1765
pls confirm the answer
The area of square S is equal to the area of rectangle R. What is the perimeter of square
S?
(1) The length of one of the sides of rectangle R is twice the length of a side of
square S.
(2) The area of rectangle R is 36.
I think C but OA is B
- by magical cook
Tue Feb 12, 2008 11:22 pm- Forum: Data Sufficiency
- Topic: pls confirm the answer
- Replies: 2
- Views: 1590
- by magical cook
Fri Feb 08, 2008 1:07 pm- Forum: Data Sufficiency
- Topic: DS
- Replies: 2
- Views: 1894
- by magical cook
Fri Feb 08, 2008 8:22 am- Forum: Data Sufficiency
- Topic: DS
- Replies: 2
- Views: 1894
ps question
If the number 52,1n9, where n represents the tens digit, is a multiple of 3, then the value
of n could be which of the following?
A. 6
B. 5
C. 3
D. 1
E. 0
- by magical cook
Mon Feb 04, 2008 1:22 pm- Forum: Problem Solving
- Topic: ps question
- Replies: 5
- Views: 4123
average question
If the total weight of d equally weighted objects is 40 pounds, how much does each individual object weigh? (1) If the weight of each object was 25% greater, then the total weight would have been 10 pounds greater. (2) If the weight of each object was of pound less, the total weight would have been ...
- by magical cook
Tue Jan 29, 2008 11:47 am- Forum: Data Sufficiency
- Topic: average question
- Replies: 6
- Views: 1912
- by magical cook
Tue Jan 29, 2008 9:47 am- Forum: Problem Solving
- Topic: simple average
- Replies: 9
- Views: 1938
- by magical cook
Mon Jan 28, 2008 3:35 pm- Forum: Problem Solving
- Topic: easy one
- Replies: 2
- Views: 1606
simple average
Last year Bakery A had total sales of cookies in December that was 4 times the average (arithmetic mean) of the monthly cookie sales totals for January through June and 3 times the average total cookie sales for July through November. The cookie sales total for December was what fraction of the tota...
- by magical cook
Mon Jan 28, 2008 2:00 pm- Forum: Problem Solving
- Topic: simple average
- Replies: 9
- Views: 1938
another simple one
John has 3 solutions: a 12% saline solution, a 8% vinegar solution, and a 15% alcohol solution. He mixes 3 liters of the alcohol solution with 3 liters of the vinegar solution. What is the minimum amount of the saline solution he must add if the resulting mixture must be at least 2% saline solution?...
- by magical cook
Mon Jan 28, 2008 10:08 am- Forum: Problem Solving
- Topic: another simple one
- Replies: 7
- Views: 2014