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Question
Odd man out: 445, 221, 109, 46, 25, 11, 4
Options:
A .  25
B .  46
C .  109
D .  221
Answer: Option B


3 is subtracted from each number and the result is divided by 2 to obtain the next number of series.So, 46 is wrong and must be replaced by (109-3) / 2 i.e. 53.



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