760 (V51, Q46), slightly disappointed

GMAT prep 1: 760 (V48, Q47) GMAT prep 2: 760 (V47, Q49) Actual GMAT: 760 (V51, Q46) While the unreasonably high verbal score is welcome, the fact that I bombed on the quant part (after several weeks of studying) is hugely disappointing and what's worse, it's below the magical 80 percentile. So, I ha...

But why are we paying no attention to the fact that there are 4 different colors?

They're asking you whether k^(l+m) = (k^l) + (k^m) is true for ALL numbers, and you, it seems, are trying to pick particular numbers (for statement 2) that may work (if one of them is zero). THIS IS NOT WHAT THE QUESTION IS ASKING YOU. They're asking you if it's true for ALL numbers, not "some&...

IF (z)^n = 1, what is the value of z? If n = 0, then z could be any number, obviously. now. (1) n is a non-zero integer - so now our choice for z is limited only to +1 (for any n) and -1 (for even n). Which one is it, +1 or -1? (2) z > 0 Ah, this tells is that it's +1. Therefore, (C)

number properties, GMATprep

109) If p is positive integer, what is remainder when p is divided by 4?
a. When P is divided by 8 remainder is 5
b. P is the sum of the squares of two positive integers.

What if b = 2? Then (B) and (C) are both equally valid answers, aren't they?

The question presupposes familiarity with card decks and indicates lack of familiarity with standard English on the part of the question writer. Definitely not a GMAT type question. Wherever you got this question, avoid this source in the future. Such blatant lack of professionalism indicates trouble.

"146. There are less than 50 books are to be divided by students. If the books are divided by 7 students, one book will be left. How many books are there? (1) If the books are divided by 9 students, 8 books will be left. (2) If the books are divided by 5 students, 3 books will be left. " W...