How to Prepare for the GMAT: Essential First Steps The following ten steps focus on how to prepare for the GMAT on your own. This is meant as a launch guide for the essential first stages of the preparation: getting a baseline score, setting goals, making a plan, and registering for a first exam. The […]
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For any positive integer n, the sum of the first n positive integers equals n(n+1)/2. What is the sum of all the even integers between 99 and 301? A. 10,100 B. 20,200 C. 22,650 D. 40,200 E. 45,150 Correct Answer: B Full explanation coming soon. Send us a note if you’d like this added to
From the consecutive integers -10 to 10 inclusive, 20 integers are randomly chosen with repetitions allowed. What is the least possible value of the product of the 20 integers? A. (-10)^20 B. (-10)^10 C. 0 D. –(10)^19 E. –(10)^20 Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added
Seed mixture X is 40 percent ryegrass and 60 percent bluegrass by weight; seed mixture Y is 25 percent ryegrass and 75 % fescue. If a mixture of X and Y contains 30% ryegrass, what percent of the weight of the mixture is X? GMAT Explanation, Video Solution, and More Practice! Seed mixture X is
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On a recent trip, Cindy drove her car 290 miles, rounded to the nearest 10 miles, and used 12 gallons of gasoline, rounded to the nearest gallon. The actual number of miles per gallon that Cindy’s car got on this trip must have been between A. 290/12.5 and 290/11.5 B. 295/12 and 285/11.5 C. 285/12
