Rajasthan Police Constable Model Paper 10

The pattern followed here is:
P + 2 = R; R + 2 = T; T + 2 = V
C + 2 = E; E + 2 = G; G + 2 = I
M + 2 = O; O + 2 = Q; Q + 2 = S
Same pattern will be followed to find missing term:
V + 2 = X
I + 2 = K
S + 2 = U
Hence, answer is XKU.