Search found 5 matches
- by mehta003
Sun Jul 10, 2011 6:46 pm- Forum: Problem Solving
- Topic: Numbers
- Replies: 5
- Views: 3626
- by mehta003
Sat Jul 09, 2011 2:26 pm- Forum: Problem Solving
- Topic: How many ways to solve this?
- Replies: 4
- Views: 1551
I agree that the answer is E.
if XY=0, x or y has to be 0. If X is 0, Y can e +1 or -1. If Y is 0, X can be +1 or -1 as well. There are always two solutions. We cannot conclude that X+Y=1 because it can also equal -1 as well
- by mehta003
Fri Jul 08, 2011 2:15 pm- Forum: Data Sufficiency
- Topic: Inequality
- Replies: 30
- Views: 13350
Thank you Frankenstein. However, I think you might have misread the question. They were asking us for the perimeter and you gave us the area.
- by mehta003
Fri Jul 08, 2011 1:30 pm- Forum: Problem Solving
- Topic: Coordinate 2
- Replies: 6
- Views: 1388
I did my answer differently. This is how: Plugged in Pi for the side of a square and plugged in Sqrt(pi) for the radius of the circle. That way both areas are the same. When I take the diagonal of the square i would get Pi*Sqrt(2) because of pythagorean theorem. The diameter of the circle is therefo...
- by mehta003
Fri Jul 08, 2011 1:16 pm- Forum: Problem Solving
- Topic: Gmat club PS.
- Replies: 5
- Views: 1404