Maths MCQs, PLANNING OFFICER/ DEPUTY DISTRICT OFFICER (PLANNING) (BPS-17)P & D Department. 2014, PPSC Solved Past Papers MCQsA number is increased by 10% and then decreased by -10%. The net change in the number isA. No increase or decrease B. 2% decrease C. 1 % increase D. 1 % decrease Who is called the Father of Modern Psychology?5 out of 2250 parts of earth is sulphur what is the percentage of sulphur in earth?
