PPSC Past Paper Field Assistant in the Agriculture Department 2018 Solved MCQs, Maths MCQs, PPSC Solved Past Papers MCQsIf 2a-20=20, then find the value of a?A. 20 B. 11 C. 12 D. 13 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?One-gram gold is equal to?
