PPSC Past Paper Labour Inspector Labour and Human Resource Department 2018 Solved MCQs, Maths MCQs, PPSC Solved Past Papers MCQsWhich number can replace both question marks: 2/? = ?/50A. 5 B. 25 C. 10 D. 100 The Rio de Janeiro Earth summit took place in?Which number will complete the number series 2, 5, 12, 23, 38, 57_____?