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6 13 25 51 101

This question belongs to Competitive Reasoning Series Completion
Series Completion
?

6, 13, 25, 51, 101, ?

Answer & Solution
Correct Answer: Option C
The pattern is x 2 + 1, x 2 - 1, x 2 + 1, x 2 - 1,.....
So, missing term = 101 x 2 + 1 = 203.
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2 Comments
Simran Raj
Simran Raj 5 years ago
4,27,16,125,36
Homic Mondal
Homic Mondal 7 years ago
>6x2+13=25
>13x2+25=51
>25x2+51=101
>THEN
the missing number is=51x2+101=102+101=203
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