Our

Quant

Algebra - Game Plan with Max-Min


For the past few weeks, we have been discussing conditional statements. Let’s switch back to Quant today. I have been meaning to discuss a question for a while. We can easily solve it by plugging in t...

Read More

Quant

Algebra - Functions


Let’s discuss how to handle functions today. People usually perceive functions as an advanced topic mainly because of the notation. But actually, the function questions are very simplistic and can be...

Read More

Quant

Algebra - How to Quickly Interpret Ranges of Variables in GMAT Questions


Sometimes a GMAT Quant question will give us multiple ranges of values that apply to a single variable, and when this happens it can really take us for a ride. Evaluating these ranges to arrive at ded...

Read More

Quant

Quant - Max-Min Difficulties


Sometimes, we get questions which we cannot neatly bracket as Arithmetic/Algebra/Geometry etc. In fact, the higher level questions usually focus on more than one subject area.  The trick in these ques...

Read More

Quant

Algebra - Expression vs Equation


Today, we want to take up a conceptual discussion on expressions and equations and the differences between them. The concept is quite simple but a discussion on these is warranted because of the simil...

Read More

Quant

Algebra - Advanced Exponent Properties (Powers of 2)


Today, let’s discuss the relative placements of exponents on the number line. We know what the graph of 2^x looks like. It shows that when x is positive, with increasing value of x,

Read More

Quant

Algebra - Manipulating Standard Formulas


We know the formula we need to use to find the sum of n consecutive positive integers starting from 1. The formula is given as n(n+1)/2. So the sum of first four positive integers is 4 * (4 + 1)/2 = 1...

Read More

Quant

Algebra - Squares and Square Roots


In today’s post, we will try to clear up your doubts regarding positive and negative solutions in the case of squares and square roots. We will explain the reasons behind each case,

Read More

Quant

Algebra - Unsolvable Equations


The moment we see an equation involving the variable x, we have a habit of jumping right into attempting to solve it. But what happens when we are not able to solve it? Let’s say, for example,

Read More

Quant

Algebra (Advanced) - AM and GM


Today, let’s look in detail at a relation between arithmetic mean and geometric mean of two numbers. It is one of those properties which make sense the moment someone explains to us but are very hard...

Read More