SSC CHSL 9 Jan 2017 Shift 1 Paper

Expression : ?, ONM, GFE, XWV
The pattern followed in each letter of the terms is :
1st letter : V (-7 letters) = O (-8 letters) = G (-9 letters) = X
2nd letter : U (-7 letters) = N (-8 letters) = F (-9 letters) = W
3rd letter : T (-7 letters) = M (-8 letters) = E (-9 letters) = V
Thus, missing term = VUT