If m and z are positive integers, is the cube root of m + z greater than twice the cube root of m? (1) \( z > 7m \) (2) \( z-m > 0 \) Solution:
GMAT Question of the Day – DS Algebra – April 10th Read the Full Article »
6 Months to study for the GMAT? Let’s tackle this oft misunderstood GMAT question: Should someone spend 6 months or more studying for the GMAT? That may not be the goal for most people but it could be completely fine or even necessary for you. Why should someone spend that long on GMAT Prep? 1.
The Long Haul: Should you take 6 months to study for the GMAT? Read the Full Article »
Set M contains a set of consecutive integers. What is the standard deviation of set M? (1) Set M contains 17 numbers (2) The median of set M is 23 April 9th GMAT Question of the Day Solution: Consecutive sets have special properties. 1. \( \text{Median} = \text{Mean} = \frac{\text{Max} + \text{Min}}{2} \) 2. Any
GMAT Question of the Day April 9th – DS Statistics Read the Full Article »
Bill’s Burger shop’s profit from the sale of its famous “Billy Burger” was what percent greater this year than it was last year? (1) The ratio of this year’s “Billy Burger” revenue to last year’s was 3 to 2 (2) The price of the “Billy Burger” was the same this year as it was last
GMAT Question of the Day – DS Word Problem – April 8th Read the Full Article »
GMAT Question of the Day: GMAT Work Problems 5 painters, each working at the same rate, together can paint a certain fence in 25 days. By what percent must the rate of each painter increase so that they can complete the job in ten days? A. 125% B. 150% C. 200% D. 250% E. 275%
GMAT Question of the Day – Work and Rate Read the Full Article »