PPSC Past Paper Deputy Accountant Finance Department-2019 Morning, Maths MCQs, PPSC Solved Past Papers MCQsIf A is two years older than B and B is twice as old as C. if the sum of the ages of A, B and C is 27 then how old is B?A. 9 B. 10 C. 11 D. 12 Which of the following layer absorbs most of the sun’s ultraviolet radiation?One kilometer is equal to how many Miles?