56 Answered Questions for the topic gre exam
03/13/19
combination gre problem # 24?
How many ways can 4 prizes be given away to 3 boys, if each boy is eligible for all the prizes?
Can anyone explain me why this answer is wrong: 4*4*4 ?
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GRE - Percentage Question?
A full glass of juice is a mixture of 20% grape juice and 80% apple juice. The contents of the glass are poured into a pitcher that is 200 percent larger than the glass. The remainder of the...
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Why is the average rate isn't the average of the two rates given for the two legs of the journey?
If an object moves the same distance twice, but at different rates, then the average rate will never be an average of the two rates given for the two legs of the journey. Why is that so?
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03/13/19
Differential Equations Text (Math GRE)?
I am currently looking for a Differential Equations text from which to study for the Math GRE Subject Test. (As a side note, I currently own a copy of Stewart's Calculus.)
Any suggestions of...
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03/13/19
How do I find the probability of these independent events?
The following is taken from the ETS math review for the GRE: Let A, B, C, and D be events for which P(A or B)=0.6, P(A)=0.2, P(C or D)=0.6, and P(C)=0.5 The events A and B are mutually exclusive,...
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03/12/19
Divisiblilty & Prime Problems [GRE]?
If j is divisible by 12 and 10, is j divisible by 24? Answer by either saying yes, no, or Can't be determined. First I found the prime factors of both numbers (10: 5 * 2 and 12 : 3*2*2). Then I...
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