[tarkumar]

Originally Posted by Otori Takeo

If w + x < 0, is w - y > 0?
1) x + y <0

w+x < 0 => w + x -y + y < 0
w - y < -(x+y)
x+y < 0 therefore -(x+y) > 0
w-y < +ve number
Insuff

2) y<x<w
OA is

SPOILER: B

y<x<w thus w> y =. w-y > 0
Suff