Correct option is C
Given: 3, 3, 9, 15, 33, ?, 129, 255, 513, 1023
The pattern of the series will be:
As per the pattern, the missing number in the series will be 63.
Thus, the correct option is (c)
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Question
Select the number that can replace the question mark (?) in the following series.3, 3, 9, 15, 33, ?, 129, 255, 513, 1023
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