shamikba wrote:
If x^4*y < 0 and x*y^4 > 0 which of the following must be true?
A) x > y
B) y > x
C) x = y
D) x < 0
E) y > 0
shamikba please use brackets or gmatclub maths function to make the question clear . Is x^4*y = (x^4)*y or x^(4*y)
(x^4)*y < 0
Since x^4 >0 So, y<0
Also x*y^4 > 0
Since y^4 > 0. So, x>0
Hence y<0<x
So, x>y
Answer A
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