GMAT Question of the Day – Problem Solving – Ratio In a bag of beads the ratio of red beads to blue beads to green beads is 2 to 75 to 20. A certain number of beads are added to the bag so that the ratio of blue beads to green beads is tripled while […]
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GMAT Question of the Day – Problem Solving – Geometry/Puzzle The measurements obtained for the sides of a certain triangle are 18 centimeters by 18 centimeters by 18 centimeters. If each of the sides has a measurement error of at most 2 centimeters, which of the following is equal to the maximum possible difference between
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GMAT Question of the Day – Data Sufficiency – Exponents Is x – 4 > y? (1) 3^x – 3^(x-5) > 242 * 3^y (2) x is a positive integer [spoiler]A.[/spoiler] GMAT Question of the Day Solution There are a couple of things that make GMAT Data Sufficiency much easier and that I encourage GMAT
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GMAT Question of the Day – Data Sufficiency – Statistics/Standard Deviation A factory received 19 boxes of widgets. What was the standard deviation of the numbers of widgets in the 19 boxes? (1) For the 19 boxes of widgets, the median of the numbers of widgets was equal to the mean of the number of
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GMAT Question of the Day – Problem Solving – Exponents/Divisibility If x and y are positive integers and what is the value of x that produces the minimum value for x – y? A. 2 B. 3 C. 4 D. 8 E. 16 [spoiler]A.[/spoiler] GMAT Question of the Day Solution A significant portion of GMAT
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