PPSC Assistant Agricultural Department 2018, Maths MCQs, PPSC Solved Past Papers MCQsThe total sum of all sides of a closed surface is called?A. Rhombus B. Triangle C. Perimeter D. None of these Thera are 1100 boys and 900 girls in a school. 50% boys and 40% girls are present. The total number of students present are:A connection in which phone line is directly connected to modern for internet is called