16.144, 121, 100, 81, ?

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RRB TC CC Exam (Bangalore) 2007 click here to view all questions

What will come in place of the question mark (?) in the following questions?
144, 121, 100, 81, ?

A75

B65

C70

D64

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Answer is : 64 Explanation: $\text{sequence is } 12^2,11^2,10^2,9^2,8^2$ $12 \times12 = 144$ $11\times11 = 121$ $10 \times 10 = 100$ $9 \times 9 = 81$ $8 \times 8 = 64$ So Answer is : 64 Nithin K ? answered Nov 26 '2016 at 13:19 All Comments

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