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28. Since Mayor Drabble always repays her political debts as soon as possible, she will almost certainly appoint Lee to be the new head of the arts commission. Lee has wanted that job for a long time, and Drabble owes Lee a lot for his support in the last election. Which one of the following is an ...

by DarkKnight

Thu Jun 16, 2011 9:21 am
Forum: Critical Reasoning
Topic: critical reasoning
Replies: 11
Views: 2318

I agree with MAAJ's solution.

x=2.4

Whats the OA?

by DarkKnight

Thu Apr 28, 2011 6:04 am
Forum: Problem Solving
Topic: Mixture problem
Replies: 9
Views: 1977

thanks folks. I also chose D but the OA is E.

Anyone?

by DarkKnight

Tue Apr 19, 2011 8:42 pm
Forum: Critical Reasoning
Topic: Environmental organizations - Bold Face
Replies: 6
Views: 1622
by DarkKnight

Sun Apr 17, 2011 5:46 pm
Forum: Critical Reasoning
Topic: Environmental organizations - Bold Face
Replies: 6
Views: 1622
by DarkKnight

Sun Apr 17, 2011 5:43 pm
Forum: Sentence Correction
Topic: O’Hare International Airport
Replies: 6
Views: 1665

Environmental organizations - Bold Face

Environmental organizations want to preserve the land surrounding the Wilgrinn Wilderness Area from residential development. They plan to do this by purchasing that land from the farmers who own it. That plan is ill-conceived: if the farmers did sell their land, they would sell it to the highest bi...

by DarkKnight

Sat Apr 16, 2011 6:38 am
Forum: Critical Reasoning
Topic: Environmental organizations - Bold Face
Replies: 6
Views: 1622

O’Hare International Airport

Providing initial evidence that airport are a larger source of pollution than they were once believed to be, environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O’Hare International Airport is twice as much as that which is being emitted annually ...

by DarkKnight

Sat Apr 16, 2011 6:35 am
Forum: Sentence Correction
Topic: O’Hare International Airport
Replies: 6
Views: 1665

If x < 0, then [-x × |x|]^½ is A. -x B. -1 C. 1 D. x E. x^½ http://www.urch.com/forums/gmat-problem-solving If x = -3, then [-x × |x|]^½ = [-(-3) * |-3|]^(1/2) = (9)^(1/2) = 3 = -(-3) = -x The correct answer is A. Hi Anurag, In the above calculation, why did you take (9)^(1/2) = 3 ?? It could ...

by DarkKnight

Tue Mar 22, 2011 7:43 pm
Forum: Data Sufficiency
Topic: [-x × |x|]^½ is
Replies: 6
Views: 1838

Thanks GMATGuru. The OA is A.

by DarkKnight

Sun Mar 20, 2011 4:56 pm
Forum: Data Sufficiency
Topic: Circle and square
Replies: 3
Views: 2049

Circle and square

Will the circle with centre O fit inside the square ABCE?

1). The diameter of the circle is less than a side of the square
2). The area of the circle is less than the area of square

I am lost at the second statement. Thanks for your help. Answer after few responses.

by DarkKnight

Sat Mar 19, 2011 7:54 pm
Forum: Data Sufficiency
Topic: Circle and square
Replies: 3
Views: 2049

@Nightreader, the source that I am using states that OA for this question is C.

by DarkKnight

Sat Mar 19, 2011 2:25 pm
Forum: Data Sufficiency
Topic: Area of Triangle inside a Circle
Replies: 5
Views: 3688

Area of Triangle inside a Circle

If points A, B, and C lie on a circle of radius 1, what is the area of triangle ABC?

1. AB^2 =AC^2+BC^2
2. Angle CAB equals 30 degrees

Answer after few replies.

Thanks.

by DarkKnight

Sat Mar 19, 2011 5:57 am
Forum: Data Sufficiency
Topic: Area of Triangle inside a Circle
Replies: 5
Views: 3688

Whats the OA?

I m getting:

For 2 only - MIN=1, MAX=115
For 3 only - MIN=0, MAX=57

by DarkKnight

Tue Mar 15, 2011 10:12 am
Forum: Problem Solving
Topic: Min/Max
Replies: 4
Views: 1433

I think it should be D. Whats the OA guys?

by DarkKnight

Thu Feb 17, 2011 12:24 pm
Forum: Data Sufficiency
Topic: GCD
Replies: 13
Views: 2184

I went with C initially but let’s see how the answer is B. So the best chance of getting B inside the circle is by coinciding segment AB with the diameter on the circle (maximum length that can fit inside the circle). So now if line segment AB coincides with diameter of circle, and AB is 5 and OB ...

by DarkKnight

Thu Feb 17, 2011 8:01 am
Forum: Data Sufficiency
Topic: Circles n triangles
Replies: 3
Views: 1154