PPSC Past Paper Field Assistant in the Agriculture Department 2018 Solved MCQs, Maths MCQs, PPSC Solved Past Papers MCQs3/4 ÷1/8 =?A. 4 B. 6 C. 8 D. 2 The brain of any computer system is?Complete the series 2, 6, 12, 20, 30, 42 _____?