Though the experts have nailed it, I'll try to put my reasoning procedure (which is more or less the same): P(D getting P)= 1/14 We'll stop here. P(D not getting P) = 13/14 Next P(D getting R) = 1/13 So, thus P becomes 13/14 * 1/13 = 1/14 So, overall P(D getting either a P or a R ) = 1/14 + 1/14 = 1...

IR section in GMAT-Prep-Now-Improvement-Chart-for-OG13.xls

Hello Brent!

First of all, I'd like to thank you for sharing GMAT-Prep-Now-Improvement-Chart-for-OG13.xls, which is a savior! But I could not find IR grid in it. Today, I downloaded the latest one but still didn't see one. Am I missing out something?

Thanks again!

+1 for E

@ceilidh.erickson: A certain square is to be drawn on a coordinate plane. One of the vertices must be on the origin, and the square is to have an area of 100. If all coordinates of the vertices must be integers, how many different ways can this square be drawn? Why is it explicitly mentioned that ve...

http://idioms.thefreedictionary.com/protect+against

This idealized American image, known as monism, sees efficiency as maximized when bureaucrats perform only those duties passed down to them from a central authority. Hough concludes that the centralized, monistic model of organization must be expanded if it is to enable efficient administration. He...

Can you please type rather than posting jpegs. It's really very challenging to read the problems let alone solve them!

Try googling :)Guess you are getting confused between tens and tenth place!
23.891
2 is @ tens
3 is @ unit/ones
8 is @ tenth
9 is @ hundreth
1 is @ thousandth

P.S. I wonder whether it's right topic for DS forum!