Toughest Trick Teaser Question

Toughest Trick Teaser Riddle(Question)


Take 9 from 6, 10 from 9, 50 from 40 and leave 6.

How Come ??

Solution 


By Mohsin & http://dailybrainteaser.blogspot.com/2011/09/hard-math-riddle.html


SIX – 9 (IX) = S
9 (IX) – 10 (X) = I
40 (XL) – 50 (L) = X
===>SIX