1) 4, 9, 25, ?, 121, 169, 289, 361 A) 81 B) 87 C) 64 D) 49 Answer: Option DExplanation:The given series consists of squares of consecutive prime numbers ie., 22, 32, 52, ...112, 132, 172, 192. So, the missing term = 72 = 49. Hence the answer is (d).