4, 9, 25, ?, 121, 169, 289, 361
ক
49
খ
64
গ
81
ঘ
87
সঠিক উত্তর: 49
The given series consists of squares of consecutive prime numbersi.e. 22, 32, 52,.....,
112, 132, 172, 192.
So, missing term = 72 = 49.