$8, 9, 20, 63, 256, 1285, ?$

  • A
    $6430$
  • B
    $7450$
  • C
    $7716$
  • D
    $7746$

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Similar Questions

$4, 10, 33, 136, \dots$

$11, 13, 17, 19, 23, 25, ?$

$508, 256, 130, 67, 35.5, ?$

In the following number series,a wrong number is given. Find out that wrong number.
$7, 9, 16, 25, 41, 68, 107, 173$

$2, 18, 66, 210, 642, \dots$

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