Direction (Q. 1-5) : In the following charts, the first pie-chart shows the percentage distribution of total students studying in different schools and the second pie-chart shows the percentage distribution of total girls students studying in these schools. (Total number of students in all the schools together is 30000 and the ratio of boys to girls is 3:2.)
What is the difference between the total number of boys and the total number of girls studying in School D ?
If the length of a recetangle is increased by 16 metre and the breadth is decreased by 5 metres , the area of the recentagle remains unchanged, and if the length is decreased bby eight metre and the breadth is increased by 5 metre, the area still remains unchanged. What is the area of the recentagle ?