Search found 120 matches

by euro

Sat Oct 30, 2010 9:46 am
Forum: Sentence Correction
Topic: GMAT Prep: Honeybee's Stinger -->
Replies: 3
Views: 2677

GMAT Prep: In physics journals,

Image

Can somebody shed some light on the attached CR problem... please.

by euro

Sat Oct 30, 2010 9:42 am
Forum: Critical Reasoning
Topic: GMAT Prep: In physics journals,
Replies: 2
Views: 1419

Great work Rahul. Thanks!

I really like how you quickly deduced (from the stem) that 'z' and 't' are of opposite signs. :)

by euro

Sat Oct 30, 2010 9:35 am
Forum: Data Sufficiency
Topic: GMAT Prep Inequalities: ?Best way to attack?
Replies: 3
Views: 941

This was a secret to me up until now. So, just to rephrase what you explained: if we (test-takers) perform a square root operation during any of our calculations, then we have to assume both +ve and -ve values; if GMAT uses a *square root sign* in one of its problems, then we have to consider ONLY t...

by euro

Sat Oct 30, 2010 6:32 am
Forum: Problem Solving
Topic: Sq. root (Real Number)
Replies: 5
Views: 1264

Rahul@gurome wrote:The answer is equal to the greatest common divisor of 1/5 and 1/7 = 1/35.

Hence, the answer is B.
Why is that? I am missing the point here. :(

by euro

Sat Oct 30, 2010 6:00 am
Forum: Problem Solving
Topic: Fifths & Sevenths Scale
Replies: 3
Views: 1193

GMAT Prep Inequalities: ?Best way to attack?

If zt < -3, is z < 4?

(1) z < 9


(2) t < -4

OA is [spoiler](E)[/spoiler]

What is the best way to attack a problem like this?

by euro

Sat Oct 30, 2010 5:56 am
Forum: Data Sufficiency
Topic: GMAT Prep Inequalities: ?Best way to attack?
Replies: 3
Views: 941

Sq. root (Real Number)

http://s4.postimage.org/rPAKr.jpg Please refer to the problem attached as an image. Question: Should we assume that only positive values will result from a square root? For instance, if we assume x = 1, then Sq root (x) = sq. root (1) = +1 or -1. In this case, the correct answer to the above proble...

by euro

Sat Oct 30, 2010 5:47 am
Forum: Problem Solving
Topic: Sq. root (Real Number)
Replies: 5
Views: 1264

Fifths & Sevenths Scale

Image

Please provide approach to solve this problem.

OA is B

by euro

Sat Oct 30, 2010 5:42 am
Forum: Problem Solving
Topic: Fifths & Sevenths Scale
Replies: 3
Views: 1193

@Shovan: Thanks for the awesome explanation.
You really attack the problem right at the fundamentals. I like the approach.
Thanks for sharing the diagram.
:)

by euro

Sat Oct 30, 2010 5:33 am
Forum: Data Sufficiency
Topic: GMAT Prep: Coordinate Geometry (Line Props)
Replies: 6
Views: 1326

@pesfunk: The OA is already mentioned. Read the question carefully; it doesn't ask for the area of the largest triangle that can be inscribed in the circle. If you have a different answer, then please share your explanation (how you arrived at the answer). It will be helpful to others also.

by euro

Sat Oct 30, 2010 5:24 am
Forum: Problem Solving
Topic: GMAT Prep: Geometry Explain
Replies: 6
Views: 1186

GMAT Prep: Algebra Sq. Roots

Image

What is the best way to solve this problem?

by euro

Sat Oct 30, 2010 4:02 am
Forum: Problem Solving
Topic: GMAT Prep: Algebra Sq. Roots
Replies: 1
Views: 871

GMAT Prep: Geometry Explain

What is the greatest possible are of a triangular region with one vertex at the center of a circle of radius 1 and the other two vertices on the circle?

(A) (Sq.Root 3)/ 4

(B) 1/2

(C) Pi/4

(D) 1

(E) (Sq. Root 2)

[spoiler]OA is (B)[/spoiler]

by euro

Sat Oct 30, 2010 3:58 am
Forum: Problem Solving
Topic: GMAT Prep: Geometry Explain
Replies: 6
Views: 1186

Quant - 20-23 Right 15-17 Wrong ?Suggestions?

hi guys, After studying results from 4 tests (3 MGMAT and 1 GMAT prep), I have found that I typically get around 20-22 Right and the remaining 15-17 Wrong on the Quant section. (Raw score range is 44-48 Overall score 650-720). I find it difficult to solve the questions from higher bins in less than ...

by euro

Fri Oct 29, 2010 4:13 am
Forum: GMAT Strategy
Topic: Quant - 20-23 Right 15-17 Wrong ?Suggestions?
Replies: 2
Views: 1964