Hi. I got the following question during my first CAT In the rectangular coordinate system, are the points (a, b) and (c, d) equidistant from the origin? (1) a/b = c/d (2) square root(a^2) + square root(b^2) = square root (c^2) + square root (d^2). A. Statement (1) ALONE is sufficient, but statement ...

Thank you for the info, but that doesn't really address my question. I know why 1 alone isn't enough. (as you suggested, plug in numbers) I also know why 2 alone isn't enough (as you suggested again, plug in some numbers). I'm trying to understand that if you take statement 1 and 2 together, by |a| ...

Thanks. That helps.

chitrangada That was exactly what I had written, a past perfect progressive. The Official GMAT guide says that past perfect progressives are used to "describe an action of some duration that was completed before another past action occurred." Maybe the problem is that the action of "w...

Affording strategic proximity to the Strait of Gibraltar, Morocco was also of interest to the French throughout the first half of the twentieth century becuase they assumed that if they did not hold it, their grip on Algeria was always insecure. a) if they did not hold it, their grip on Algeria was ...

Thanks for both clarification!

Is positive integer n - 1 a multiple of 3? (1) n^3 - n is a multiple of 3 (2) n^3 + 2n^2+ n is a multiple of 3 DS question: 1. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. 2. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. 3. Both statem...

Thanks for confirming my thought!

Oh, one other point. As perhaps you already understood Gokul, statement 2 gives us |a|+|b|=|c|+|d|, not a+b=c+d. Your reasoning after that still works, though. Very nicely done. Now, having said that, I've seen students have much more success testing values on this question than solving formally. A...

I fell for answer C. My logic was that if "many Esterian consumers have continued to purchase domestically manufactured vehicles" -> the number of vehicles sold would not do down. I think in my mind, I equated "many" > 50% or the word most. If I'm correct, I think the reaso...

The Carson family will purchase three used cars. There are two models of cars available, Model A and Model B, each of which is available in four colors: blue, black, red, and green. How many different combinations of three cars can the Carsons select if all the cars are to be different colors? a) 24...

Thanks Jamie. That explanation helps. I still have another question that I want you to help me correct my thinking. I understand that if I don't divide by 3!, I'm picking number of combinations of a particular order, such as the example you game of A-red, B-black, and B-green. However, I would think...

A satellite is composed of 30 modular units, each of which is equipped with a set of sensors, some of which have been upgraded. Each unit contains the same number of non-upgraded sensors. If the number of non-upgraded sensors on one unit is 1/5 the total number of upgraded sensors on the entire sate...

Thanks, that really helps

Hi everybody, could anyone tell me why the daughters of the american revolution is singular? thanks a lot, Claudio Notice the description of the DAR that follows it: The Daughters of the American Revolution, a volunteer service organization , Thus, the DAR is an "organization" which is si...