GMAT Question of the Day – Data Sufficiency – Divisibility What is the greatest common factor of positive integers k and m? (1) When integer k is divided by two the result is an integer with no prime factors. (2) m = 25 [spoiler]C.[/spoiler] GMAT Question of the Day Solution
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GMAT Question of the Day – Data Sufficiency – Inequalities In a certain forest 1/5 of the trees are Walnuts and 1/6 of the trees are Birches. What is the number of birch trees in the forest? (1) The difference between the number of Walnut trees and the number of Birch trees is greater than
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Which of the following sets has the same standard deviation as the set that contains k, k + 2, and 2k? A. k-2, -2, 0 B. 2k, 2k + 4, 4k C. 1, 2, k D. k, k-1, k-2 E. k/2, k, 2 [spoiler]A.[/spoiler]
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GMAT Question of the Day – Data Sufficiency – Overlapping Sets Of the leopards at a certain zoo, 20% are both spotted and mature. If all the leopards at the zoo are either spotted or not spotted, or mature or immature, is the ratio of the number of immature leopards who are spotted to the
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GMAT Question of the Day – Problem Solving – Percent At the beginning of the year in town X, 30% of the population had liberal values. At the end of the year the total population had grown by 12% and the proportion of the population with liberal values had decreased by 5%. From the beginning
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