Search found 10 matches
Is this geometry ques. bad or my thinking process is wrong?
If CD = 6, what is the length of BC?
1) BD = 6 radical 3
2)x = 60 degrees.
I thought st. 1 is not suff., but it turns out it is.
oa D
Thanks in advance.
- by prince11
Fri Nov 13, 2009 6:57 pm- Forum: Data Sufficiency
- Topic: Is this geometry ques. bad or my thinking process is wrong?
- Replies: 2
- Views: 1381
Work problem- previously posted, but don't understand- Help
Can someone please explain? It takes printer A 4 more minutes than printer B to print 40 pages. Working together, the two printers can print 50 pages in 6 minutes. How long will it take printer A to print 80 pages? * 12 * 18 * 20 * 24 * 30 I know the rates = 1/x and 1/x+4, but what do I do with the ...
- by prince11
Tue Sep 08, 2009 9:49 am- Forum: Problem Solving
- Topic: Work problem- previously posted, but don't understand- Help
- Replies: 4
- Views: 1325
Easy, but can't solve this equation
Hi all,
can someone please show me how to solve this equation.
Thanks in advance and here is the problem
If x≠0 and X = square root(4xy-4y^2) , then, in terms of y, X =
a) 2y
b) y
c) y/2
d) -4y^2/1-2y
e) -2y
- by prince11
Sat Sep 05, 2009 5:43 pm- Forum: Problem Solving
- Topic: Easy, but can't solve this equation
- Replies: 1
- Views: 1049
combinations and permutations CONCEPT
Hi all, Can anyone please explain this concept? CONCEPT = when dealing with combinations and permutations, each result corresponds to a unique set of circumstances. For example, if you have x people and know that choosing two of them would result in 15 different possible groups of two, it must be tr...
- by prince11
Mon Aug 10, 2009 2:20 pm- Forum: Data Sufficiency
- Topic: combinations and permutations CONCEPT
- Replies: 0
- Views: 922
venn diagram
Hi all, Can anyone please explain what to do with the "no condition"(in bold) in the problem? Why three is being subtracted from Radio and power windows union in the venn diagram? (see the attachment). Is it 3 because only 3 cars had all 3 options or this 3 is coming from some where else? ...
- by prince11
Wed Jul 01, 2009 2:14 pm- Forum: Problem Solving
- Topic: venn diagram
- Replies: 1
- Views: 2348
- by prince11
Sun Jun 21, 2009 8:46 am- Forum: Problem Solving
- Topic: Algebra -
- Replies: 9
- Views: 1835
Hi Suresh/friends,
can you explain how (y^3 + 5y^2 - 15y - 7) became (y^2 - 2y - 1).
I know that (y + 7) (y^2 - 2y - 1)/(y + 7) = (y^3 + 5y^2 - 15y - 7), but how do I go from (y^3 + 5y^2 - 15y - 7) and (y + 7) to get (y^2 - 2y - 1).
Thanks
- by prince11
Fri Jun 19, 2009 1:46 pm- Forum: Problem Solving
- Topic: Algebra -
- Replies: 9
- Views: 1835
Work problem
Hi, Can anyone please explain the work problem below? I get confuse when work done is more than 1. Is there a website that has these kinds of problems? Many websites have problems involving 1 work done. Thanks in advance. Two carpenters, working in the same pace, can build 2 desks in two hours and a...
- by prince11
Wed May 20, 2009 9:05 am- Forum: Problem Solving
- Topic: Work problem
- Replies: 3
- Views: 2317
- by prince11
Thu Jan 01, 2009 11:13 am- Forum: Sentence Correction
- Topic: Help me with GMAT 800 SC
- Replies: 3
- Views: 1769
Help me with GMAT 800 SC
In contrast with the way he argued with his parents, Jonas was actually quite happy about his having to go away to camp for the summer. A. his having to go away to camp for the summer. B. him having to go away to camp for the summer. C. his having to be going away to camp for the summer. D. himself ...
- by prince11
Sun Dec 28, 2008 2:09 pm- Forum: Sentence Correction
- Topic: Help me with GMAT 800 SC
- Replies: 3
- Views: 1769