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Should it be X,Y,P,Q>=1 and integers
Like that?

If X,Y,P,Q are 4 positive integers where X,Y>1 and X^P * Y^Q = 324^280, what is the maximum value of Q-P.
A. 280
B. 560
C. 1120
D. 1119
E. 559

Try this question. I believe this matches the GMAT-like wording pattern

VishalDamarla, you should try again!
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Here it goes again! Fresh and tough problem from GMAT Club Tests:


https://gmatclub.com/forum/if-x-0-00121 ... 26903.html

Enoy!­
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Problem Solving Butler: February 2023
March 7PS 1PS 2
­
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Data Sufficiency Butler: March 2024
March 7DS 1DS 2
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Hey everyone, I have a combination/Permutation question that I’d love to get some help with. Can I post it here?
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Does anyone want Gmat official guide 2022 books and Powerscore Gmat CR Bible latest edition.

All for Rs 2000.

Posted from my mobile device
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Anki111
Does anyone want Gmat official guide 2022 books and Powerscore Gmat CR Bible latest edition.

All for Rs 2000.

Posted from my mobile device
­
You should post this here: https://gmatclub.com/forum/buy-sell-used-gmat-books-421001.html
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How about this NEW question from GMAT Club Tests:

https://gmatclub.com/forum/the-distance ... 26920.html

Can you find the most efficient way of solving?­
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Bunuel
How about this NEW question from GMAT Club Tests: the-distance-from-the-lake-to-a-tree-spans-0-02-kilometers-426920.html Can you find the most efficient way of solving?
Remaining distance = 19.2
Times longer = 19.2 /0.8 = 24
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Bunuel
How about this NEW question from GMAT Club Tests: the-distance-from-the-lake-to-a-tree-spans-0-02-kilometers-426920.html Can you find the most efficient way of solving?
It can be done like this : total distance = 20m
already covered = 0.8m

Distance is 20/0.8 = 25 times the total distance
so, remaining distance = 25-1 = 24 times (B)
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Bunuel
How about this NEW question from GMAT Club Tests: the-distance-from-the-lake-to-a-tree-spans-0-02-kilometers-426920.html Can you find the most efficient way of solving?
Check out my method, I believe it has the caluclautions simplified0.2km = 20 meters
Distance passed by the snake = 0.8 m.

20-.8 = 19.2 = distance remainig

We have to find how many times is 0.8 equal to19.2, in other words , 0.8 * (d) = 19.2
We can eliminate all choices and try with 24 and 25 as they are the closest to 19.2

24 * 0.8 =24 - 24*(0.2) = 24 - 2.4*2 = 19.2 -> B accepted

Option B

Please, let me know if there is anything wrong
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The final one for today! Tricky GMAT Club question:

https://gmatclub.com/forum/if-x-0-2-200 ... 26929.html­
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Hi can someone please help me with this question? A lock has six digits, each of which is chosen from 1,2... 9 ; the same digit can appear more than once. The sum of the 1st and 3rd digits is the 5th digit, and the sum of the 2nd and 4th digits is the 6th digit. How many identification codes are possible?
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Cuttlefish
Hi can someone please help me with this question? A lock has six digits, each of which is chosen from 1,2... 9 ; the same digit can appear more than once. The sum of the 1st and 3rd digits is the 5th digit, and the sum of the 2nd and 4th digits is the 6th digit. How many identification codes are possible?
­
This question is discussed here:

https://gmatclub.com/forum/a-certain-id ... 16823.html

Hope it helps.
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Maybe 8!*8!

Arya_S
Maybe 8!*8!
Right logic wrong calc. Multiplied instead of adding up.
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