PPSC Past Paper Field Assistant in the Agriculture Department 2018 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsSelect the odd one out from the following options?A. Japan B. London C. Canada D. China Complete the series 2, 6, 12, 20, 30, 42 _____?An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is?