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GMAT Data Sufficiency Question 26: Lines and intercepts

January 3, 2022 Leave a Comment

 
The following GMAT data sufficiency question tests your understanding of straight lines and intercepts in the $xy-$coordinate plane.

Question 26:

In the $xy$-plane, what is the slope of the line $y=mx+c$, where $mc \neq 0$ ?

  1. (1) The $x$ and $y$-intercepts of the line are equal.
  2. (2) The product of the $x$ and $y$-intercepts is equal to $1$.
  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 A

Video Explanation

 

Filed Under: GMAT Practice Questions

GMAT Problem Solving Question 25: Pentagons, angles, and geometry

December 17, 2021 Leave a Comment

 
The following GMAT Problem Solving question tests your understanding of how to find the measure of an angle in a regular pentagon.

Question 25:

The figure below shows a regular pentagon. What is the measure of angle $ACE$ ?

  1. $\quad 18$
  2. $\quad 24$
  3. $\quad 36$
  4. $\quad 40$
  5. $\quad 45$

Choice C

Video Explanation

 

Filed Under: GMAT Practice Questions

GMAT Data Sufficiency Question 24: Absolute value equations

November 22, 2021 Leave a Comment

 
The following GMAT data sufficiency question tests your understanding of dealing with absolute value equations.

Question 24:

Is $a^2 = b^2$ ?

  1. (1) $|a| \; – \; |b|=0$
  2. (2) $|a| \; + \; |b|=0$
  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 23: Percentage changes and fractions

October 26, 2021 2 Comments

 
The following GMAT Problem Solving question tests your understanding of percentage changes and converting the results to appropriate fractions.

Question 23:

Participation in the local soccer league this year is $10\%$ higher than last year. The number of males increased by $5\%$ and the number of females increased by $20\%$. What fraction of the soccer league is now female?

  1. $\quad \dfrac{1}{3}$
  2. $\quad \dfrac{4}{11}$
  3. $\quad \dfrac{2}{5}$
  4. $\quad \dfrac{4}{9}$
  5. $\quad \dfrac{1}{2}$

Choice B

Video Explanation

 

Filed Under: GMAT Practice Questions

GMAT Problem Solving Question 22: Counting digits

September 30, 2021 Leave a Comment

 
The following GMAT Problem Solving question tests your understanding of counting principles.

Question 22:

How many three-digit numbers have at least one $2$ and at least one $3$ ?

  1. $\quad 52$
  2. $\quad 54$
  3. $\quad 56$
  4. $\quad 58$
  5. $\quad 60$

Choice A

Video Explanation
Method 1

Method 2

 

Filed Under: GMAT Practice Questions

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