Arithmetic

Hi guys
Do you have some logic math to solve this question ?
Because I don't understand the answer explanation, Expecially if the number is less than 0,3333......, the tenths digit can be 0,1,2, or 3;

Quantitative

Guys, I do need your explanations why the correct answer of this question is C If the quotient a/b is less than zero, which of the following cannot be true? A. a > 0 B. b > 0 C. ab > 0 D. a-b > 0 E. a+b > 0 As we know that if a is positive, b must be negative, vice versa. Answer choices A. If A can ...

I just sent it to that email.

Hi rich

I have been studying the GMAT for 2 moths.
I would like to take the GMAT test in November.
I study the GMAT from my OG book 2016 and internet.
My goal is to get the least score 760.
I know how difficult it is, but I will never give up trying to achieve that. I will always study hard

Some of explanations from the OG book is complicated for me, that's why I do need a faster approach to solve every question and to save the time. By the way I thank you so much.