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Practice Questions Chat 31 Jul 2025, 08:00
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Practice Questions Chat 31 Jul 2025, 09:00
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We have made upgrades to the Forum Quiz features for RC and MSR and offering 1 free week to anyone interested in trying it out:
new-improvements-to-the-rc-and-msr-quiz-features-get-1-week-to-test-448156.html
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I would love to try
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I would definitely be interested in and would like to try it out.
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*jeffn sends image:*
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How is answer B here, shouldn’t it be A
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Practice Questions Chat 31 Jul 2025, 13:03
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yuktiiii

How is answer B here, shouldn’t it be A
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This question is discussed in detail here: https://gmatclub.com/forum/if-x-4-y-4-1 ... 98713.html Hope it helps.
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Practice Questions Chat 31 Jul 2025, 13:04
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How is answer B here, shouldn’t it be A
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0^4=0

3^4=81
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How is answer B here, shouldn’t it be A
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Because if you want to give x the greatest value, it means you have to set y = 0, because in this way x can take the largest possible value (100).

So, if y = 0, the equation becomes:
x4 = 100

To get rid of the exponent 4 (to find the actual value of x), you have to take the fourth root of 100, which is approximately 3.16.
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Here, how are they considering the set to be consecutive integers? It’s not written anywhere
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Practice Questions Chat Updated on: 31 Jul 2025, 13:25
Originally posted by Bunuel on 31 Jul 2025, 13:24.
Last edited by Bunuel on 31 Jul 2025, 13:25, edited 1 time in total.
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yuktiiii

Here, how are they considering the set to be consecutive integers? It’s not written anywhere
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I suggest searching the forum: https://gmatclub.com/forum/a-b-and-c-ar ... 89093.html

It's very easy. Go to the respective forum (PS in this case: https://gmatclub.com/forum/problem-solving-ps-140/ ) and use the search box.


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WA@ujc609
How to approach this question ??

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For those interested this question has very detailed discussion here: https://gmatclub.com/forum/cognitive-sc ... 94363.html
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Practice Questions Chat 31 Jul 2025, 23:43
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Problem Solving Butler: August 2025
August 1PS 1PS 2

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PS 1

Xavier borrowed d dollars at 16% annual interest compounded every three months. If the loan term was 1 year, then which of the following shows the total amount, in terms of d, that must be repaid when the loan matures?

A. (0.12)^4*d
B. (1.04)^12*d
C. (1.12)^4*d
D. (1.04)^4*d
E. (1.04)^3*d
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A motorcycle messenger leaves his home base and travels at 40 miles an hour to make a delivery 20 miles away. If the messenger wishes to be back at his home base 50 minutes after he left it, then how fast must he travel on his return trip?

A. 24 miles per hour
B. 45 miles per hour
C. 60 miles per hour
D. 90 miles per hour
E. 120 miles per hour
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Critical Reasoning Butler: August 2025
August 1CR 1CR 2

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CR 1

The citizens of Country 777 pay very high prices for Internet connections. In 777, there is only one company that provides the installation of Internet infrastructures. Therefore, to serve the citizens, the government should encourage the introduction of competing companies in the field of Internet services.

The above conclusion is properly drawn if which of the following is assumed?

A. Citizens of Country 777 use the Internet frequently.

B. The government of 777 is more focused on health problems than on Internet infrastructures.

C. Internet infrastructures are complex and expensive to install.

D. A competitive market encourages companies to reduce prices.

E. There is only one Internet company in 777 because the others were unsuccessful and had to cease operations.

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Scientists have discovered a gene that controls whether an individual is monogamous. They took a gene from the monogamous prairie vole and implanted it into its more promiscuous relative, the meadow vole. Thereafter, the meadow voles with the new gene became monogamous.

Which one of the following, if true, would provide the most support for the argument’s conclusion?

(A) Studies on humans and other mammals have shown that receptors for the hormone vasopressin play a role in autism, drug addiction, and the formation of romantic attachments.

(B) Prairie voles typically form lifelong partnerships, which scientists have linked to an increased number of receptors for the hormone vasopressin.

(C) Meadow voles live in a harsher environment than prairie voles and cannot afford to pass up opportunities to mate as often as possible.

(D) The scientists used a harmless virus to capture the gene and transfer it into the meadow voles.

(E) The meadow voles that had the prairie vole gene implanted in them were released into and observed in the same habitat in which they had previously lived.
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Data Sufficiency Butler: August 2025
August 1DS 1DS 2

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Two boys, Joe and Seth, can mow a lawn in 2 hours 30 minutes. If 3 other boys, Mike, Tommy and Teddy, helped, how long would it take to mow the same lawn with all of them starting at the same time?

(1) Working alone Joe would take 5 hours to mow the lawn, while Mike, Tommy, and Teddy alone would each take 1 and 2/3 hours.
(2) Mike, Tommy and Teddy together work at a rate that is twice as fast as Seth and Joe working together.
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How much revenue did a concert venue receive from the sale of 1500 tickets, some of which were sold at a discounted price?

(1) The number of tickets sold at the discounted price was 20% of the total number of tickets sold.
(2) The full price for a ticket was twice that of the discounted price.
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the-ratio-of-cats-to-dogs-at-a-pet-store-is-11-15-the-ratio-of-dogs-311327.html#p3611054

Can someone explain why statement 1 is insufficient?
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T=81x, and x could be 1,2,3 for t<300 i.e.(T =81,162,243 and all<300),so no conclusive value for sq rt. T. Hence insufficient.
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C:D = 11:15 and D:H=3:11. That means C:D:H = 11:15:55. Lets say n is the common factor, then 11n+15n+55n=81n=T.
Statement 1 says T<300
81n<300
n<3.something
n can only be an integer because we are talking about animals(which can only be integers), so valid n values are 1,2 and 3.
No definitive answer. Insufficient.
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