PPSC Past Paper Provincial Management Service 2018 Solved MCQs, Maths MCQs, PPSC Solved Past Papers MCQsIf x=28 and y=51, then (x+y)+(x-y)=?A. 53 B. 56 C. 92 D. 102 200 candidates applied for exam, from which 180 candidate appeared in exam and 70 per cent passed; how many failed?Who was the inventor of printing press?
