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Data Sufficiency Butler: March 2025
March 25DS 1DS 2

__________________________________

DS 1

Machines A, B, and C produced identical bottles at different constant rates. In the first 2 hours, A alone operated and filled a part of the entire production lot; then B alone operated for 3 hours and filled another part of the entire lot, and finally, C alone operated for 4 hours and filled the rest of the entire lot. Which of the three machines filled the greatest part of the entire lot?

(1) The ratio of the constant rates at which A and B produced is 3 : 2.

(2) The ratio of the constant rates at which B and C produced is 4 : 3.
__________________________________

DS 2

Exactly one straight road connects Albertville and Bowton, which are 90 miles apart. If Sierra leaves Albertville headed for Bowton at the same time that Dylan leaves Bowton headed for Albertville, and each travels along the road at a constant rate, how far will Sierra have traveled when they meet?

(1) Sierra travels at 3x miles per hour and Dylan travels at 4x miles per hour.
(2) Sierra travels at 5 miles per hour slower than Dylan does.
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A month back I saw a formula for distance and speed problems probably, it said √ab, thats it and a and b were the 2 distances or 2 times I’m not sure, nor am I sure where exactly I saw that formula in this forum (maybe mixture problems), but it was used quite frequently and made solving the problem quite fast. If anyone is getting a gist of what I’m looking for please reply
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Rohit_842
A month back I saw a formula for distance and speed problems probably, it said √ab, thats it and a and b were the 2 distances or 2 times I’m not sure, nor am I sure where exactly I saw that formula in this forum (maybe mixture problems), but it was used quite frequently and made solving the problem quite fast. If anyone is getting a gist of what I’m looking for please reply
i am not sure but considering details you mentioned, it may be the average speed formula where if an object travel same distance at two different speed s2 and s2 then the average speed of entire journey is approximate to Sqrt(s1*s2) but it works only when s1 and s2 are relatively close to each other. eg s1=48, s2=55 here it make sense but if s1=48, s2=100 then it wont be very close
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Hi everyone, I wanted a small confirmation, RC difficulty increases based on the questions given for the passage or the passage itself? Because, I see the RC passages in OG are given as Easy or Medium, but the same questions under the passage in this are of difficulty. So wanted a small confirmation on this. Thanks in Advance.
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WA@abq3
The traditional view is that Passages have assigned difficulty and questions do not adapt within the passage.

However, I’m not sure any test taker really needs this information. I don’t see how one could use it really 😇
Oh okay.. Thank You..
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bdc
Hi everyone, I wanted a small confirmation, RC difficulty increases based on the questions given for the passage or the passage itself? Because, I see the RC passages in OG are given as Easy or Medium, but the same questions under the passage in this are of difficulty. So wanted a small confirmation on this. Thanks in Advance.
RC passage difficulty does increases or decreases according to the last marked answer, in every RC they do have level wise Qs
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Nsp10
RC passage difficulty does increases or decreases according to the last marked answer, in every RC they do have level wise Qs
Thank You..
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ajay0520
i am not sure but considering details you mentioned, it may be the average speed formula where if an object travel same distance at two different speed s2 and s2 then the average speed of entire journey is approximate to Sqrt(s1*s2) but it works only when s1 and s2 are relatively close to each other. eg s1=48, s2=55 here it make sense but if s1=48, s2=100 then it wont be very close
Thanks Ajay, but this isn’t the one
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Hi guys,

Any tips on how to read and understand quickly the double, Tripple, quad- negation in the sentence: for example: it is not impossible to live without saying “I won’t come back to the relationship with my ex”.
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Hello guys
I just started my classes. Can any one has GMAT official guide of 2025
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Suhithareddy
Hello guys
I just started my classes. Can any one has GMAT official guide of 2025
You should buy it. We don’t allow sharing copyrighted PDFs on GMAT Club so please don’t share or ask. Thank you for understanding
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May I ask some questions? Is the LSAT CR the same as the GMAT CR? which CR question bank is most similar to the GMAT real exam?
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Alexgmattop
May I ask some questions? Is the LSAT CR the same as the GMAT CR? which CR question bank is most similar to the GMAT real exam?
The official Guide is most similar to the GMAT. Those are real but now retired GMAT questions.

Official guide, GMAT Prep, and any product from mba.com is basically an equivalent of what you will encounter on the GMAT (not exactly but similar)
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How can improve my di any strategy to ace ?
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