Q. 6 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 number of faculty members connected only through Facebook ® accounts is ______________.
(A) 35
(B) 45
(C) 65
(D) 90
Answer: (A)
Explanation:
