PPSC Accountant-(2020) Local Government and Community Development, Maths MCQs, PPSC Solved Past Papers MCQsAli is twice as old as his youngest brother if the difference between their ages is 15 years. how old is his youngest brother?A. 10 B. 15 C. 20 D. 25 Complete the series 1, 0, 3, 2, 5, 4, ____?Microsoft Windows is the great invention of?