PPSC Solved Past Papers MCQs, General Knowledge MCQs, PLANNING OFFICER/ DEPUTY DISTRICT OFFICER (PLANNING) (BPS-17)P & D Department. 2014Who is called the Father of Modern Psychology?A. Sigmund Freud B. lbn-e-Khaldoon C. Adams Smith D. Charles Darwin Which of the following inventions is the oldest?A number is increased by 10% and then decreased by -10%. The net change in the number is
