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Hi Stacy, my background: -Canadian working for the biggest bank in Canada as a Certified Financial Planner (CFP), 5 years of working experiences. Also worked at the brokerage arm of the bank for 2 years within those 5. Host for the bank's high value chinese clients events twice. Top 4 performer out ...

Gmat Prep exam question

All of the stocks on the over-the-counter market are designated by either a 4-letter code or 5-letter code that is created by using the 26 letters of the alphabet. which of the following gives the maximum number of different stocks that can be designated with these codes? a) 2(26^5) b) 26(26^4) c) 2...

Gmat Prep exam question

If n is a multiple of 5 and n=p^2 * Q, where p and Q are prime numbers, which of the following must be a multiple of 25?

1) P^2
2)Q^2
3)P^2 * Q
4)P^2 * Q^2
5) P^3 * Q

I couldn't understand how to solve this.

gmat prep triangle question

If the lengh of 2 sides of a triange is 2 and 5, which of the following could be the perimeter of the triange?

I) 9

II) 15

III) 19

a) none
b) I
c) II
D) II and III
E) I II and III

why is this E?

Gmat Prep exam question

If X<0, then Sq root (-X lXl ) = ?

a) -X
b) -1
c) 1
d) x
E) Sq root X

why is the answer a) not d)? I thought lxl = +X , and - (-x) = +x , so the product of these are X^2. Sq root of this is X. no?

another vote for B. B states Nal is not controlling bacteria but Mor.