If the quotient a/b positive, which of the following must be…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that a divided by b is positive (or greater than zero). We know that in division when a quotient is positive, …
Lucy invested $10,000 in a new mutual fund account exactly…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: To determine the value of the account today we want to set up an expression showing the various percent increases and decreases. Remember we …
If n is a prime number greater than 3, what is the remainder when n^2…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We see that n can be ANY PRIME NUMBER GREATER THAN 3. Let’s choose the smallest prime number greater than 3 and substitute it …
Of the 50 researchers in a workgroup, 40 percent will be
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that there are a total of 50 researchers in the workgroup and that 40% will be assigned to team A and …
Of the five coordinates associated with points A, B, C, D…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: Before attacking this question, we want to review what “absolute value” means. The absolute value of a number measures or is the distance that …
What is the 25th digit to the right of the decimal point in…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: To solve this question, we first have to use some long division. This long division allows us to get 6/11 in decimal form, which …
A carpenter constructed a rectangular sandbox with a…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given a rectangular sandbox with a given capacity, which is the volume of the sandbox. Therefore, we know that the volume of …
When Leo imported a certain item, he paid a 7 percent import…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: Although this problem seems challenging it is actually a simple word translation. We know that when Leo imports a certain item he pays a …