Inequalities and Data Sufficiency are a great combination. Many interesting questions have been framed in the DS format from this topic. Here is an interesting question Is a < b? 1. a^b < b^a 2. a/b > 1 This is a good question because it helps us consider several possibilities for examples. Let us start with Statement I alone: 1. a^b < b^a Now, if a … [Read more...] about Inequalities Data Sufficiency
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GMAT Problem Solving : Number Properties
This question is an interesting Number Properties Problem Solving GMAT prep question . How many digits does the product of 412 and 523 contain? A. 12 B. 13 C. 23 D. 24 E. 35 The correct answer is choice D. We can rewrite the given numbers as 224 * 523. i.e., 2 * 223 * 523 = 2 * 1023. This is a 24 digit number. … [Read more...] about GMAT Problem Solving : Number Properties