1) B, D, F, I, L, P, ? A) U B) S C) T D) R Answer: Option CExplanation:$B + 2 \rightarrow D, D + 2 \rightarrow F, F + 3 \rightarrow I, I + 3\rightarrow L, L + 4\rightarrow P, P + 4\rightarrow T$ Hence the answer is (c).