Study  the given pie chart and answer the question that follows.
Break-up (degree-wise) of the number of students in five schools (A, B, C, D and E) in a city.
Total number of students =5200

If the ratio of the number of boys to that of girls in school B is 7:6 and the ratio of number of boys to that of girls in school D is 4 : 5, then what is the ratio of number of boys in B to that of girls in D?

What is the perimeter of a square inscribed in a circle of radius 5 cm?

$$ {x^{8}+4\over{x^{4}+2x^{2}+2}}$$ is equal to

A man crosses a diagonal of a square in 1.5 minutes with the speed of 4 k/h then the area of the square is -

Express 15625 as a power of 5?

The smallest number, which when added to 680621 gives the sum a perfect square number, will be

The total number of digits used in numbering the pages of a book of 366 pages is

Directions : The expenses of a country for a particular year is given in Pie–Chart. Read the Pie– Chart and answer the questions.

The percent of excess money spent on Others than that on Sports is