GMAT Quantum

Boost your GMAT Quant Score

  • Home
  • Study
    • Work Flow
    • GMAT Course
    • OG GMAT Guides
    • Official Resources
    • Strategy
  • Blog
  • About
    • Contact
    • Testimonials
    • About Me
  • Login
You are here: Home / Blog

GMAT Problem Solving Question 10: Quadratic Inequalities

April 4, 2021 Leave a Comment

 
The following GMAT Problem Solving question tests your ability to find solutions to quadratic inequalities.

Question 10:

Which of the following specifies all the possible values of $x$ for which $x^2-3x-10<0$ ?

  1. $\quad -5 \lt x \lt 2$
  2. $\quad -5 \lt x \lt 5$
  3. $\quad -2 \lt x \lt 5$
  4. $\quad x \lt -2 \quad \textrm{or} \quad x \gt 5$
  5. $\quad x \lt -5 \quad \textrm{or} \quad x \gt 2$

Choice C


Video Explanation

 

Filed Under: GMAT Practice Questions

GMAT Problem Solving Question 09: Sets and percentages

March 12, 2021 Leave a Comment

 
The following GMAT Problem Solving question tests your ability to delineate the different categories of a set and then find the appropriate percentage.

Question 9:

At company $C$, $40\%$ of the employees are non-technicians, and $12\%$ of the employees are female technicians. What percent of the technicians are male employees?

  1. $\quad 20$
  2. $\quad 30$
  3. $\quad 48$
  4. $\quad 70$
  5. $\quad 80$

Choice E


Video Explanation

 

Filed Under: GMAT Practice Questions

GMAT Data Sufficiency Question 08: Overlapping sets/Venn diagrams

January 29, 2021 Leave a Comment

 
The following GMAT data sufficiency question tests your understanding of how to deal with overlapping sets using Venn diagrams or other approaches.

Question 8:

At a certain company with 90 employees, 70 have cell phones and 60 have laptops. How many employees do not have either a cell phone or a laptop?

  1. (1) The number of employees that have cell phones only is twice the number of employees that have laptops only.
  2. (2) 80 employees have either a cell phone or a laptop.
  1. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  2. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  3. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
  4. EACH statement ALONE is sufficient.
  5. Statements (1) and (2) TOGETHER are NOT sufficient.

Choice D


Video Explanation

 

Filed Under: GMAT Practice Questions

GMAT Problem Solving Question 07: Divisibility and factorization

January 1, 2021 Leave a Comment

 
The following GMAT Problem Solving question tests your ability to apply concepts of divisibility and prime factorization.

Question 7:

What is the least value of $n$ for which the product of the first $n$ positive integers is divisible by $8505$ ?

  1. $\quad 9$
  2. $\quad 12$
  3. $\quad 15$
  4. $\quad 18$
  5. $\quad 21$

Choice B


Video Explanation

 

Filed Under: GMAT Practice Questions

GMAT Data Sufficiency Question 06: Median and Mean

December 23, 2020 Leave a Comment

 
The following GMAT data sufficiency question tests your understanding of the relationship between average (arithmetic mean) and median when given additional constraints.

Question 6:

Given $a \gt b \gt c \gt 0$, is the average of $a$, $b$, and $c$ equal to their median ?

  1. (1) $\dfrac{a}{b} – 1 = 1 – \dfrac{c}{b} $
  2. (2) $b$ is equal to the average of $a$ and $c$.
  1. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  2. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  3. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
  4. EACH statement ALONE is sufficient.
  5. Statements (1) and (2) TOGETHER are NOT sufficient.

Choice D


Video Explanation

 

Filed Under: GMAT Practice Questions

  • « Previous Page
  • 1
  • …
  • 9
  • 10
  • 11
  • 12
  • 13
  • …
  • 15
  • Next Page »
  • Email
  • Facebook
  • Twitter
  • YouTube

[M. Dabral, Quantum Education Inc.]. All rights reserved. GMAT™, GMATPrep™, and GMATFocus™ are the registered trademarks of the Graduate Management Admission Council™. The Graduate Management Admission Council™ does not endorse, nor is it affiliated in any way with the owner or any content of this web site.