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Question
Find the missing term, 4, 9, 25, ?, 121, 169, 289, 361
Options:
A .  49
B .  64
C .  81
D .  87
Answer: Option A
The given series consists of squares of consecutive prime numbers i.e., 22 , 32 , 52 ,.....................,112 , 132 , 172 , 192 So, missing term = 72 = 49

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