PERCENTAGES 1) If 70 % of the students in a school are boys.And the no of girls be 504.Find no of boys. 504*100 = 1680. 30 1680*70 = 1176 boys. 100 2) In an examination 65 % of students are passed and no of failures is 420.Find the total strength? 420*100 =1200 35 3) In an examination,a student scored 30% marks from the first paper...
