Which number is missing? 1, 9, 25, 49, ?

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RRB ASM Exam (Bhubaneshwar) 2009 click here to view all questions

Which number is missing?
1, 9, 25, 49, ?

A121

B81

C16

D169

piyush ? May 4 '2018 at 21:35

Correct Answer : B [81]

Explanation:

The given series consists of squares of consecutive odd numbers
i.e. \(1^2, 3^2, 5^2, 7^2,.....\)
So, missing term \(= 9^2 = 81.\)

All DiscussionsClick here to write answer

Correct Answer : B [81] Explanation: The given series consists of squares of consecutive odd numbers i.e. \(1^2, 3^2, 5^2, 7^2,.....\) So, missing term \(= 9^2 = 81.\) piyush ? answered May 4 '2018 at 21:35 All Comments

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