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Gmat prep Question

There are at least 10% of the people in Country X who are 65 years old or older employed? 1) In Country X, 11.3% of the population is 65 years old or older. 2) In Country X, of the population 65 years old or older, 20% of the men and 10% of the women are employed. The OA is B does any one know how?

by eyoussef

Sat May 30, 2009 9:38 am
Forum: Data Sufficiency
Topic: Gmat prep Question
Replies: 1
Views: 1193

OG 12 #87

I am not sure why the OA is E and not C, I usually get these types of problems wrong, what am I missing here? Is the number of seconds required to travel d1 feet at r1 feet per second greater than thenumber of seconds required to travel d2 feet at r2 feet per second? (1) d1 is 30 greater than d2. (2...

by eyoussef

Tue May 26, 2009 5:45 am
Forum: Data Sufficiency
Topic: OG 12 #87
Replies: 3
Views: 1362

I think the answer to this question is D statment 1: by examining the discriminant of the given equation.. it will be equal to 0; which means one single repeated root, in other words, x=y statement 2: also states that x=y because for the GCD both numbers to be equal to the HCF, they have to be equal...

by eyoussef

Tue May 26, 2009 1:29 am
Forum: Data Sufficiency
Topic: x and y is y
Replies: 6
Views: 1554

I think the answer is A (1)the satement says that the big cirlce has radius r and the small circle has radius 1/2 r thus area of big circle - area of small cirlce = pi*r^2 - pi*(1/2*r)^2 3/4*pi^2 = 7.45, r could be obtained from the equation SUFFICIENT (2) this statement means : (4*pi*r^2)/Pi*r^2 = ...

by eyoussef

Tue May 26, 2009 1:04 am
Forum: Data Sufficiency
Topic: the circle C
Replies: 3
Views: 1206

Okay l got D as an answer too I have reattached your diagram with the angles numbered from 1 to 5 to avoid confusion what we are required to find is :angle 4 - angle 2 angle 4 + angle 5 = 90.....(l) Angle 1 + Angle 2 + Angle 5 = 90 from statement( 1) angle 1 =30 thus angle 2+ angle 5 = 60.....(ll) s...

by eyoussef

Mon May 25, 2009 8:36 pm
Forum: Data Sufficiency
Topic: Degree of PRS & PQR
Replies: 2
Views: 1586

now it looks so simple, and I wondering how come I didn't think of that before, thanks :)

by eyoussef

Mon May 25, 2009 6:33 pm
Forum: Data Sufficiency
Topic: Geometry DS question
Replies: 2
Views: 1241

Geometry DS question

Hello could anyone please help with this one
Image

by eyoussef

Mon May 25, 2009 9:55 am
Forum: Data Sufficiency
Topic: Geometry DS question
Replies: 2
Views: 1241

manhattan properties of number

Hello all My exam is in a week, One of my major weeknesses is the number properties, I have ordered the manhattan properties of number book from amazon, but due to some shipping constrains in my country it won't reach me before next week- that's after my exam, does any one know if there is any onlin...

by eyoussef

Mon May 25, 2009 1:57 am
Forum: Problem Solving
Topic: manhattan properties of number
Replies: 0
Views: 1002

permutation /combination problem

can somebody please help me with the below problem:


"How many 5 letter initials can be formed using alphabet of the english language that contain 2 distinct vowels and 3 distinct consonants"

by eyoussef

Tue May 19, 2009 12:13 am
Forum: Problem Solving
Topic: permutation /combination problem
Replies: 3
Views: 1275

Thank you for replying :)
I have that one already, I was talking about the older version of the prep software that was called power prep ( as far as I know) it has been replaced by the GMAT prep, however I heard that the older version has more difficult questions.

by eyoussef

Sun May 03, 2009 4:49 am
Forum: Problem Solving
Topic: GMAT power Prep
Replies: 2
Views: 1129

GMAT power Prep

Does any one know where can I get the GMAT power prep from? I think it's no longer available on the gmac website

by eyoussef

Sat May 02, 2009 2:34 pm
Forum: Problem Solving
Topic: GMAT power Prep
Replies: 2
Views: 1129

GMAT formula sheet

Guys,
I have been looking for a good gmat formula sheet on the internet, I have found some links on several forums, but most of them are old, and aren't working any more, any ideas on where to find one?

by eyoussef

Sat May 02, 2009 2:24 pm
Forum: Problem Solving
Topic: GMAT formula sheet
Replies: 0
Views: 4139

thanks a lot, could you please send me the file as well
my email is [email protected]

by eyoussef

Fri May 01, 2009 12:25 pm
Forum: GMAT Strategy
Topic: 99 level 700 questions from GMATPrep
Replies: 55
Views: 13694