I just published my video explanations to all of the 100+ problem solving questions in the recently released GMAT™ Focus Official Practice Questions – Quantitative for the redesigned GMAT Focus Edition test.
Archives for August 2023
GMAT Problem Solving Question 58: Algebraic Inequalities
Try the following GMAT Problem Solving question that tests your understanding of algebraic inequalities with three variables.
Question 58:
Which of the following must be true ?
- If $xy < xz$, then $y < z$.
- If $x^2y < x^2 z$, then $y < z$.
- If $x-y < x-z$, then $z < y$.
- $\quad \textrm{None}$
- $\quad \textrm{I and II only}$
- $\quad \textrm{II and III only}$
- $\quad \textrm{I and III only}$
- $\quad \textrm{I, II, and III}$