1) Y, W, T, P, K, E, X, ?, ? A) G, H B) P, G C) R, G D) S, R Answer: Option BExplanation:Y−2→W,W−3→T,T−4→P, P−5→K,K−6→E,E−7→X, X−8→P,P−9→G Hence the answer is (b).