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

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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