An interesting number properties question that tests your understanding of odd numbers, even numbers and inequalities. The best thing about a question of this kind is that there is no formula to get the answer. Try the question before checking out the solution video. Question If x is a positive … [Read more...]

## GMAT Number Theory LCM HCF

An interesting Problem Solving question from Number Theory. You need to know all the basic properties of LCM and HCF of two numbers and the relation between LCM and HCF. If you are already not familiar with the topics, start with understanding what LCM and HCF actually denote (not what the acronyms … [Read more...]

## Inequalities & Number Properties

This one is an Inequalities and Number Properties Data Sufficiency Question. You will most likely get questions that test indices, absolute value and inequalities in the GMAT quant section - in its potent variant - data sufficiency. I strongly recommend that you understand the basics … [Read more...]

## Simple Number Properties

If the integer N = 139,k50 where k is the hundreds digit, N can NEVER be divisible by which of the following? A. 2 B. 3 C. 4 D. 6 E. 9 Explanatory Answer Let us quickly recap tests of divisibility for the 5 numbers given in the question. Test of divisibility for 2: The number should … [Read more...]

## GMAT Mixtures & Ratio

60% of the students in a class are instate students. 60% of the students in the class are women. If there are twice as many instate men in the class as are instate women, and the number of instate men exceeds instate women by 12, how many more women in the class are not instate women?A. 12B. 60C. … [Read more...]

## Number Properties & Probability

A Data Sufficiency Question - Number properties and ProbabilitySet A contains distinct integers: A = {2,4,6,-8,x,y}. When two numbers from this set are picked and multiplied, what is the probability that the product is less than zero?(1) x*y is not equal to zero.(2) |x| = |y|Correct Answer is choice … [Read more...]

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