If a club has 12 members, what is the ratio GMAT Hey folks, here’s the actual question text: If a club has 12 members, what is the ratio of the number of different possible 6-member committees that can be formed to the number of different possible 5-member committees that can be formed? a) 7 to … Read More
The distance between Town R and Town S is 209 miles… Here is the full question text: The distance between Town R and Town S is 209 miles. At noon yesterday, a motorist started from Town R and drove to Town S at a constant speed of 40 miles per hour, and another motorist started … Read More
If Bill’s salary is 11/14 of Elizabeth’s salary, then Bill’s salary is what percent less than the sum of both salaries? a) 12% b) 25% c) 30% d) 48% e) 56% In this case, set the variables all based on Elizabeth’s salary. If we call Bill’s salary b, then we can call Elizabeth’s salary e. … Read More
This is what the statement actually looks like so you don’t have to waste your time with all that LaTeX code that Google loves so much… The domain of the function f(x) = is the set of real numbers x such that: A) B) C) D) E) There are a couple of ways to tackle … Read More
Of the 190 bicycle stores in a certain region, 90 percent repair bicycles and 40 percent rent bicycles. If the integer n denotes the number of bicycle stores in the region that both repair and rent bicycles, which of the following indicates all possible values of n ? A. 38 ≤ n ≤ 76 B. … Read More
The table gives three factors to be considered when choosing an Internet service provider GMAT EA The table gives three factors to be considered when choosing an Internet service provider and the percent of the 1,200 respondents to a survey who cited that factor as important. If 30 percent of the respondents cited both “user-friendly” … Read More
The domain of the function f(x) = \frac(x-1)(x+1) is the set of all real numbers that are: Oof–that’s a huge chunk of code, which I had to put on here just so you could find it! Sorry–let’s try that one again in a way that actually makes some sense… The domain of the function f(x) … Read More
A certain identification code consists of 6 digits, each of which is chosen from 1, 2, …, 9. …The same digit can appear more than once. If the sum of the 1st and 3rd digits is the 5th digit, and the sum of the 2nd and 4th digits is the 6th digit, how many identification … Read More
If 3^x – 3^(x-3) = 2106, what is the value of x? This is a fairly tricky factoring question, but it goes back to one of the general factoring principles: always factor out the common term. Here’s where we start: In our case, the common term is 3^x. That leaves us with… …on the left … Read More
At a picnic there were 3 times as many adults GMAT SOLUTION This question is more complicated than it needs to be, but it is simply an issue of careful substitution. Look at it this way: we need the number of men in terms of x, which would imply that we get all of the … Read More