Challenge Your Exam Readiness With Our Free GRE Practice Questions

Question # 38

A chemist needs 20 liters of a 40% saline solution by mixing a 30% solution with a 50% solution. How many liters of each should be used?

Options:

A.

8 L of 30% and 12 L of 50%

B.

10 L of 30% and 10 L of 50%

C.

12 L of 30% and 8 L of 50%

D.

5 L of 30% and 15 L of 50%

Viewing question 38 out of 72 questions
Industry research shows that students who utilize GRE practice tests are significantly more likely to pass exam.


Our free GRE practice questions act as a diagnostic tool to give you a clear snapshot of your GRE readiness. Discover which topics are your strengths and, more importantly, which critical topics require your immediate attention.

Go to GRE Exam Main Page

GRE Overview

Name GRE
Code GRE
Vendor Graduate and Professional School
Certification Educational Testing Service (ETS)

GRE Questions