In the MGMAT Number Properties Strategy Guide, no rule is listed for divisibility by 7. There is another comment at the end of page 14: "The simplest way to check for divisibility by 7, or by any other number not found in this list is to perform long division" Does this mean that MGMAT sug...

Yes You Area Right! Prime Number: A number that has only two factors: 1 and (itself). non-Prime Number: A number that has more than two factors or only one factors. Examples of numbers with more than two factors: 4 has 1, 2 & 4 as it's factors. Example of numbers with more than two factors : 4 h...

Dear MGMAT Staff, I am looking for a concise crammer sheet that would allow me to only learn what is actually required like Squares of numbers, Cubes of numbers, Square Roots of numbers etc. Is there a crammer sheet/list associated with the GMAT Number Properties Strategy Guide? If not, then what do...

Dear MGMAT Staff, On page 25 of MGMAT Sentence Correction Strategy Guide (Edition-4), there is a sentence: 1) No matter how much work it may require, getting an MBA turns out be a wise investment for most people. Is it ok to say "Getting an MBA"? Being a non-native English speaker my under...

Hello Folks, Below is the question on Page 43 of MGMAT Number Properties Strategy Guide: 5. when is |x-4| equal to 4-x? The answer description of this question is rather vague and doesn't clarify the concept of Modulus. In fact, the book doesn't contain too much information about Modulus. Can anyone...

Yes, you actually did reach close. the OA to this questions is:

x<=4

But the way you solved the question did give a new way of looking at the questions involving absolute values. So it indeed was helpful.

Thanks for replying!

Hi, Below is a question on Page 153 of MGMAT Number Properties Strategy Guide. I solved it and got an answer different from the answer given in the answer key. 4) If c and d are integers is c-3d even? (1) c and d are odd. (2) c-2d is odd. Solution The question is asking us if c-3d is even. Simplifyi...