Rowan 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? Congratulations! If you have memorized the Combination formula and desperately want to use it but are beginning to realize that (naturally) … Read More
How many 3-letter codes can be formed by choosing, without replacement, 3 letters from the word PEPPER? A) 6 B) 18 C) 19 D) 27 E) 30 Yet again we’re faced with a GMAT combinatorics question that doesn’t have anything to do with true permutations or combinations. That means you won’t be able to apply … Read More
If b is a positive integer and b^4 is divisible by 81 GMAT If b is a positive integer and b^4 is divisible by 81, which of the following could be the remainder when b is divided by 9? This is an interesting new question type that has appeared since the Focus questions have been … Read More
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
On a 12-hour analog clock, the hour hand moves GMAT Here’s the actual question text: On a 12-hour analog clock, the hour hand moves at a constant rate of 1 revolution every 12 hours, and the minute hand moves at a constant rate of 1 revolution every hour. The hands are perpendicular at 3:00 in … 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
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IT’S TIME TO FIND YOUR DREAM GRADUATE SCHOOL IN LONDON ON 19 SEPTEMBERAre you ready to find the Master‘s programme that will help you achieve your goals? The Access Masters event in London will introduce you to reputable schools and help you choose the right path to success. On 19 September you will have the … 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) = \sqrt(\sqrt(x+2) -\sqrt(4-x)) is the set of real numbers x such that: A) -2 <=x<= 1 B) -2 <=x <=4 C) 1 <=x<= … Read More