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Questions tagged [gre-exam]

For questions relevant to the general or subject-specific Graduate Record Examination, abbreviated GRE.

For questions relevant to the general Graduate Record Examination, abbreviated GRE or subject-specific GRE

411 questions
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How to compare $(\sqrt{6a})(5\sqrt{3})$ to $\sqrt{200a}$?

This is a gre question: I have chosen the answer A because the quantity A can be written as : $\sqrt{6 \times 25 \times 3 a}$ which is $\sqrt{450 a} $ always greater that the option Quantity B. But someone clams that the relationship can not be…
mathphy
  • 845
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Some GRE questions (II)

Let $F$ be a constant unit force that is parallel to the vector $(1, 0, 1)$ in xyz-space. What is the work done by $F$ on a particle that moves along the path given by $(t, t^2, t^3)$ between time $t=0$ and time $t=1$? Let $f$ be real valued…
Fischer
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Arithmetic question

"In a certain medical group, Dr. Schwartz schedules appointments to begin 30 minutes apart, Dr. Ramirez schedules appointments to begin 25 minutes apart, and Dr. Wu schedules appointments to begin 50 minutes apart. All three doctors schedule their…
Emma
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GRE Math practice question. Possible wrong answer?

So I was going through questions in a GRE prep book and I'm just convinced this answer is wrong but I understand the likelihood is very slim. Can someone check my work and explain why I am wrong? So I am given this isosceles triangle and I am told…
Lil
  • 2,529
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Which version of Stewart for GRE Math?

I am planning on taking the GRE Math Exam and wanted to know which version of Stewart Calculus is useful for this exam as there are many versions of the book.
H14
  • 11
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Three GRE Questions

I am currently studying for the GRE exam and there are two particular questions I am unable to solved. Help with them would be much appreciated. The first: k = 1 + 1/2 + 1/4 + 1/8 + 1/16 + 1/32 + 1/64 + 1/128 Which is greater, k or 2? The…
user3325294
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Quantitative comparision between x and 1/x

Following is a GRE question called quantitative comparison. Quantity A = $x$ Quantity B = $1/x$ $-1
adithyavr
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GRE word problem 2

Question: At $1$ PM, Ship $A$ leaves port heading due west at $x$ miles per hour. Two hours later, Ship $B$ is $100$ miles due south of the same port and heading due north at $y$ miles per hour. At $5$ PM, how far apart are the ships? Solution: I do…
OGC
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Need some help in understanding how to solve this GRE question.

Need some help in understanding how to solve this GRE question. Question: The population of a country increases at a fixed percentage each year. Column A: Increase in population in the first decade $1980-1990$. Column B: Increase in population in…
OGC
  • 2,305
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Given $a=bc$ and $c\geq 1$ and $b\neq 0$, which is greater: $a$ or $(b+c)$?

I am trying a GRE question, and I have the following: Given $a=bc$ and $c\geq 1$ and $b\neq 0$, Answer A: $a$ > $(b+c)$ Answer B: $a$ < $(b+c)$ Answer C: $a$ = $(b+c)$ Answer D: The relationship cannot be determined from the info given. Now, trying…
Joebevo
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gre quanitative question confusion

I tried a few different ways and I end up getting it wrong. What is messing me up is years 1995 and 1996. I know there is a 30 percent increase somewhere but not sure where. Thanks
user60887
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Is it a convention to ignore sign of length in GRE?

I come across this question in a GRE practice book. The correct answer is A. But my first instinct was D. Because in the question, no information regarding the length of the sides are given. So the sign of the expression QR-PQ is indeterminate. I…
David S.
  • 269
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Roots of a polynomial

For how many value(s) of b does the equation $x^3+b^2x^2+2x+3=0$ have integral solutions? This equation can either have one or three real (not necessarily integral) solutions. Using Descarte's rule of signs I found that it has either one or three…
user7090
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Input and output rate question

Input: It would would take 12 hrs to fill the pool. Output: It would take 3g/4h to empty the pool in 48 hrs. I'm not sure how to approach this question.
O.rka
  • 777
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Ratio question for GRE

I got kind of lost in this . . . so you have [(m liters)/(household)]/month and then i get lost
O.rka
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