If there are fewer than 8 zeroes between the decimal point…
March 28, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that the decimal expansion of (t/1000)^4 has fewer than 8 zeroes between the decimal point and the first nonzero digit. We …
Author: Scott Woodbury-Stewart
The probability that event M will not occur is 0.8 and the probability…
March 28, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that the probability that event M will not occur is 0.8 and the probability that event R will not occur is …
The product of two negative numbers is 160. If the lesser of the two…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that the product of two negative numbers is 160 and that the lesser of the two numbers is 4 less than …
Last year Joe grew 1 inch and Sally grew 200 percent more than Joe…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that last year Joe grew 1 inch and that Sally grew 200 percent more than Joe grew. This means Sally grew …
The average (arithmetic mean) score on a test taken by 10 students was x. If the average score…
March 27, 2017
GMAT OFFICIAL GUIDE PS – Solution: We are given that the average score on a test taken by 10 students was x and need to find the average score …
A doctor prescribed 18 cubic centimeters of a certain drug to a patient whose body weight…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: Since the typical dosage is 2 cubic centimeters per 15 pounds of body weight, a person who is 120 pounds (8 times as much …
If p ≠ 0 and p − (1−p^2) / p = r/p, then r = PS12949
March 27, 2017
GMAT OFFICIAL GUIDE PS – Solution: We are given that p – = r/p, and we must isolate r. We can start by multiplying the entire equation by p …
Which of the following fractions is closest to 1/2
March 25, 2017
GMAT OFFICIAL GUIDE PS 2 Solution: To determine which answer choice is closest to 1/2, we can subtract 1/2 from each answer choice. The difference that is closest to …