Introduction to GMAT Algebra – Algebraic Expressions | Linear & Quadratic Equations

A 9 minute read

The word Algebra was derived from the Arabic word “al-jabr” meaning “reunion of broken parts”. In algebra, arithmetic computations are carried out with letters standing for numbers. Many students find algebra difficult and through this article, we aim to demystify GMAT Algebra and how you can solve GMAT Algebra questions with ease. Simple Algebraic

Consider the following set of inequalities: p > q, s > r, q > t, s > p, and r > q. Between which two quantities is no relationship established? – OGQR 2020 Question #81 with Solution

A < 1 minute read

Solution Given In this question, we are given a set of inequalities, as follows p > q s > r q > t s > p r > q To Find We need to determine There is no relationship between which two quantities. Approach & Working Combining the relations s > p, p > q

If x, y, and k are positive and x is less than y, then (x + k) / (y + k) is – OGQR 2020 Question #80 with Solution

A < 1 minute read

Solution Given In this question, we are given The numbers x, y, and k are positive. Also, x is less than y. To Find We need to determine The possible range of (x+ k) / (y+ k). Approach & Working We know that x < y Or, xk < yk Or, xk + xy <

If half the result obtained when 2 is subtracted from 5x is equal to the sum of 10 and 3x, what is the value of x? – OGQR 2020 Question #77 with Solution

A < 1 minute read

Solution Given In this question, we are given 1/2 the result obtained when 2 is subtracted from 5x is equal to the sum of 10 and 3x. To Find We need to determine The value of x. Approach & Working 1/2 the result obtained when 2 is subtracted from 5x = 1/2(5x – 2) Sum

How old is Jane? – OGQR 2020 Question #208 with Solution

A < 1 minute read

Solution Steps 1 & 2: Understand Question and Draw Inferences We need to find the age of Jane. Let us assume that the present age of Jane is x years. Hence, we need to find the value of x. As we do not have any relevant information to infer from, let us now analyse the

Last year Publisher X published 1,100 books, consisting of first editions, revised editions, and reprints. How many first editions did Publisher X publish last year? – OGQR 2020 Question #207 with Solution

A 2 minute read

Solution Steps 1 & 2: Understand Question and Draw Inferences We are given that: Last year publisher X published 1,100 books, consisting of first editions, revised editions, and reprints. Number of First edition + Revised Editions + Reprints published = 1100 We need to find: The number of first editions published by publisher X last

In any sequence of n nonzero numbers, a pair of consecutive terms with opposite signs represents a sign change. For example, the sequence –2, 3, –4, 5 has three sign changes. Does the sequence of nonzero numbers s1, s2, s3, . . ., sn have an even number of sign changes? – OG 2020 Question #312 with Solution

A 2 minute read

Solution Steps 1 & 2: Understand Question and Draw Inferences In this question, we are given In any sequence of n nonzero numbers, a pair of consecutive terms with opposite signs represents a sign change. For example, the sequence -2, 3, -4, 5 has three sign changes. First time from -2 to 3 Second time

If a and b are integers, and b > 0, does a-1 /b+1 = a/b? – OG 2020 Question #297 with Solution

A < 1 minute read

Solution Steps 1 & 2: Understand Question and Draw Inferences In this question, we are given The numbers a and b are integers Also, b > 0 We need to determine whether a-1/b+1 = a/b Simplifying the given expression above, we get ab – b = ab + a Or, a = -b Hence, we

Is x = y? – OG 2020 Question #373 with Solution

A < 1 minute read

Solution Steps 1 & 2: Understand Question and Draw Inferences In this question, we are asked to determine If the value of x is equal to that of y or not. As we have no other relevant information present in the question stem, let us now analyse the individual statements, Step 3: Analyse Statement 1

Is the average (arithmetic mean) of the numbers x, y, and z greater than z? – OG 2020 Question #320 with Solution

A < 1 minute read

Solution Steps 1 & 2: Understand Question and Draw Inferences In this question, we are asked to determine whether the average (arithmetic mean) of the numbers x, y, and z is greater than the number z or not. If (x + y +z) / 3 > z Then, x + y + z > 3z

Older Posts