SSC CGL Tier II (JSO) 4 March 2023 Paper

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Question : 92 of 100

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The mean of the series 1, 2, 4, 8...., 2ⁿ is given as:

$\;{2^{n−1}−1}/{n\;+\;1}$
$\;{2^{n\;+\;1}−1}/{n}$
$\;{2^{n\;+\;1}−1}/{n\;+\;1}$
$\;{2^{n−1}}/{n}$

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