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GATE CSE 2016 Set 2 | Question: GA-06

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Among $150$ faculty members in an institute, $55$ are connected with each other through Facebook and $85$ are connected through Whatsapp. $30$ faculty members do not have Facebook or Whatsapp accounts. The numbers of faculty members connected only through Facebook accounts is _______.

  1. $35$
  2. $45$
  3. $65$
  4. $90$
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