Finance person in his department = 26IT persons in his department = 18Finance person in his section = 16IT persons in his section = 8Total in his section = 16+8 = 24Total people in his depatment = 26+18 = 44only 15 people in his dept are not in his secand 44-24 = 20so 20-15 = 5 people belong to both finance and IT Answer 1)  is 'C'.   IT persons in his department = 18(total IT) - 8(section) - 5(both) = 5 Answer 2) is 'B'   Finance persons not in his section = 26 - 16 = 10

Answer: B) 60 Explanation: Let M litres milk be added => 60 + M40 = 31 => 60 + M = 120 => M = 60 lit.