PPSC Service Center Officials (BPS-11) 2020, Maths MCQs, PPSC Solved Past Papers MCQsAt the end of a conference the 10 people present all shake hands with each other once. How many hand shake will there be altogether?A. 20 B. 35 C. 45 D. 55 The positive number which when multiply be itself gives 422500 is?Haider made a profit of 25% in the first year. Next year he had a loss of 20% on the capital he had at the beginning of second year. what was his overall loss of profit?
