An interesting number properties question that tests your understanding of odd numbers, even numbers and inequalities. Question If x is a positive integer such that (x-1)(x-3)(x-5)....(x-93) < 0, how many values can x take? A. 47 B. 23 C. 46 D. 21 E. 22 Correct Answer Choice B. x can take 23 values. Explanation Video … [Read more...] about GMAT PS : Inequalities & Number Properties

# Difficult GMAT Problem Solving

## Descriptive Statistics, Prime Numbers, Progression

This GMAT practice question tests your understanding of 3 topics. The core topic tested is Descriptive Statistics. Basic understanding of Prime Numbers and Progressions is needed to solve this question. Question The ages of three friends are prime numbers. The sum of the ages is less than 51. If the ages are in Arithmetic Progression (AP) and if at least one of the ages is … [Read more...] about Descriptive Statistics, Prime Numbers, Progression