$9, 19, 40, 83, 170, 345, ?$

  • A
    $687$
  • B
    $696$
  • C
    $663$
  • D
    $645$

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श्रृंखला में लुप्त पद ज्ञात कीजिए: $........, 24, 96, 384, 1536$.

$1 : 8 :: 27 : ?$

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अनुक्रम $0, 3, 8, 15, 24, 35, \ldots$ की अगली संख्या क्या है?

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