Find the missing term to replace the question mark, from the given alternatives.
23, 48, 99, 203, 413, ?

826

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837

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835

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833

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Solution

The correct option is B 837
$23 \times 2 + 2 = 48$
$48 \times 2 + 3 = 99$
$99 \times 2 + 5 = 203$
$203 \times 2 + 7 = 413$
$413 \times 2 + 11 = 837$
Hence, option $B$ is the correct answer.

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