આપેલ શ્રેણીમાંથી અસંગત સંખ્યા શોધો: $12, 20, 30, 42, 54, 72$.

  • A
    $30$
  • B
    $42$
  • C
    $54$
  • D
    $72$

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શ્રેણીમાં પછીની સંખ્યા શોધો: $5, 21, 69, 213, 645, \dots ?$

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$5, 7, 17, 47, 115, ?$

$35, 49, 63, 77, ?$

$10, 14, 26, 42, 70, ?$

આપેલી શ્રેણીમાંથી અસંગત સંખ્યા શોધો: $14, 49, 63, 72, 77, 91$.

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