Kesha paid a sales tax of x percent on her purchase. If the sales tax had only been 2 percent, she would have paid $27 less in sales tax on her purchase. What was the value of x if the total amount Kesha paid for her purchase, including sales tax, was $486? (A) 8 (B) … Read More
If x is a multiple of 18 and 60, then x must be divisible by which of the following? I. 24 II. 36 III. 45 (A) I only (B) II only (C) I and II only (D) II and III only (E) I, II and III What we need to concern ourselves here is the … Read More
If 5 integers are to be selected at random and without replacement from the list consisting of the 20 integers from 1 to 20, inclusive, what is the probability that 2 of the 5 selected integers will be 10 and 20 ? A. 2/5 B. 1/4 C. 1/10 D. 1/19 E. 1/60 OK, I’ll be … Read More
Does the GMAT Repeat Questions? Understanding the Test, Its Content, and How to Prepare Does the GMAT repeat questions? It’s natural to wonder. After all, if you could spot familiar questions during the exam, you might save time and improve accuracy. But the reality of how the GMAT works is more complex… In this article … Read More
Five Reasons Using a Calculator Is a Waste of Time on the GMAT or GRE We are taught since grade school that there’s no point to mental math when a machine can do calculations faster and more accurately than our brains. That might be true for the puny brains of your math teachers, but the … Read More
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 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