PPSC Past Paper Assistant Planning & Development 2019 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsWhich of the following is the name of the smallest part of the matter discovered by the scientists?A. Proton B. Neutron C. Positron D. Quark Laila is four times as old as her 2 years old brother Mansoor. How old will Mansoor be when he is half age of his older sister Laila?One of the founders of All India Muslim League, Salimullah Khan was the nawab of?