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If x£y = 2(x^2)(y^3), which of the following represents possible value
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25 Jul 2018, 20:52
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If x£y = 2(x^2)(y^3), which of the following represents possible values for (x,y) when x£y = 1,350? A. (3, 5) B. (5, 3) C. (10, 5) D. (13, 5) E. (13, 50)
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If x£y = 2(x^2)(y^3), which of the following represents possible value
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Updated on: 25 Jul 2018, 21:19
If x£y = 2(x^2)(y^3), which of the following represents possible values for (x,y) when x£y = 1,350? A. (3, 5) =2*9*125 looks A high number ,no need to multiply B. (5, 3) =2*25*27 =1350 C. (10, 5) looks A high number ,no need to multiply D. (13, 5)  looks A high number ,no need to multiply E. (13, 50) looks A high number ,no need to multiply Answer:B
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Originally posted by AnkitOrYadav on 25 Jul 2018, 21:09.
Last edited by AnkitOrYadav on 25 Jul 2018, 21:19, edited 1 time in total.



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If x£y = 2(x^2)(y^3), which of the following represents possible value
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25 Jul 2018, 21:14
Bunuel wrote: If x£y = 2(x^2)(y^3), which of the following represents possible values for (x,y) when x£y = 1,350?
A. (3, 5) B. (5, 3) C. (10, 5) D. (13, 5) E. (13, 50) Given \(x£y = 2(x^2)(y^3)\) we are looking for the value of \(x£y = 1,350?\) So, \(2(x^2)(y^3) = 1350\) Prime factorization of 1350 will provide us the value of x and y \(1350 = 2*5^2*3^3\) \(2(x^2)(y^3) = 2*5^2*3^3\) The best answer is B.



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Re: If x£y = 2(x^2)(y^3), which of the following represents possible value
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25 Jul 2018, 21:17
B 2(x^2)(y^3) = 1350 (x^2)(y^3) = 675 (x^2)(y^3) = (5^2)(3^3) x=5, y=3 Sent from my ONEPLUS A3003 using GMAT Club Forum mobile app



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Re: If x£y = 2(x^2)(y^3), which of the following represents possible value
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25 Jul 2018, 22:32



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Re: If x£y = 2(x^2)(y^3), which of the following represents possible value
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30 Jul 2018, 10:30
Bunuel wrote: If x£y = 2(x^2)(y^3), which of the following represents possible values for (x,y) when x£y = 1,350?
A. (3, 5) B. (5, 3) C. (10, 5) D. (13, 5) E. (13, 50) We have: 2(x^2)(y^3) = 1350 (x^2)(y^3) = 675 Since 675 = 25 x 27 = 5^2 x 3^3, we see that x = 5 and y = 3 would satisfy x£y = 1,350. Note: The reason (5,3) is a “possible” value and not the only value is that we are not given that x and y are integers; in other words, (x, y) where x = √675 and y = 1 is another possible value. Answer: B
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Re: If x£y = 2(x^2)(y^3), which of the following represents possible value &nbs
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