$Q$,$P$ से $14\, km$ दक्षिण और $16\, km$ पश्चिम में है। $P$ से $Q$ की दूरी ($km$ में) ज्ञात कीजिए।

  • A
    $15.6$
  • B
    $18.8$
  • C
    $21.2$
  • D
    $24.4$

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