Number series (identify the missing square): Odd-number squares sequence. Given sequence: 1, 9, 25, 49, ?, 121 Fill the missing perfect square of an odd integer. Choose the correct value.
Verbal Reasoning
Series Completion
Difficulty: Easy
Choose an option
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A64
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B81
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C91
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D100
Answer
Correct Answer: 81
Explanation
ObservationSequence = 1², 3², 5², 7², 9², 11², ...
Missing termAfter 7² = 49, the next is 9² = 81, then 11² = 121.