Finding a percentage of a given number

Study the following bar graph and answer the questions given below. The number of boys in school B is what percentage of the total number of students in that school ?

Study the given graph the question that follows The number of students is school C is what percentage more than the number of students in school B?

There are three numbers. The first number is 33^(1/3)% more than the second number and 50% more than the third number. What percentage of the third number is the second number ?

If 75% of a number is 6, then what percentage of that number s 1 ?

Hence, the total number of students e 12. Anumber is increased by 20% and then decreased by 20%. Find the notice or decrease per cent? the given number bex

The percentag increases in the total number of students of a school over that in the previous year. Find the effective percentage increase in the number of students from 1998-1999 to 2000-2001.