Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
361, ?, 169, 121, 49, 25
Option 1: 196
Option 2: 256
Option 3: 324
Option 4: 289
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Correct Answer: 289
Solution :
Given:
361, ?, 169, 121, 49, 25
Here, 361 = (19) 2 ; 289 = (17) 2 ; 169 = (13) 2 ; 121 = (11) 2 ; 49 = (7) 2 ; 25 = (5) 2
So, the required term is 289. Hence, the fourth option is correct.
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