Search found 484 matches


Is E or A? I think it's E but could be tricy than I think..

by magical cook

Mon Feb 18, 2008 12:20 am
Forum: Data Sufficiency
Topic: set 24 Q 12
Replies: 6
Views: 6463

that's the OA - thanks

by magical cook

Fri Feb 15, 2008 10:30 pm
Forum: Problem Solving
Topic: CONFIRM PLS?
Replies: 6
Views: 3695

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: 3695

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: 1478

sorry, it's "same area" :oops:

by magical cook

Wed Feb 13, 2008 8:02 am
Forum: Data Sufficiency
Topic: pls confirm the answer
Replies: 2
Views: 1343

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: 1478

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: 1343

OA is D but I agree with you.

by magical cook

Fri Feb 08, 2008 1:07 pm
Forum: Data Sufficiency
Topic: DS
Replies: 2
Views: 1585

DS

if x and y are positive, 3x>7y?

1) x>y+4
2) -5x<-14y

by magical cook

Fri Feb 08, 2008 8:22 am
Forum: Data Sufficiency
Topic: DS
Replies: 2
Views: 1585

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: 3827

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: 1568

thanks - answer is b.

by magical cook

Tue Jan 29, 2008 9:47 am
Forum: Problem Solving
Topic: simple average
Replies: 9
Views: 1518

thanks - no OA but I got the same answer.

by magical cook

Mon Jan 28, 2008 3:35 pm
Forum: Problem Solving
Topic: easy one
Replies: 2
Views: 1322

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: 1518

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: 1646