In the following table, the number of candidates appeared and qualified for different posts in an institute during various years has been given. Read the table carefully and answer the questions.
The respective ratio between the number of candidates who qualified for the posts of A and D in the year 2002 is
Study the pie-charts carefully to answer the following questions.
Percentages of students enrolled in different activities in a school
N=3000
Percentage break-up of girls enrolled in these activities out of the total students
N=1750
Number of girls enrolled in Dancing form what per cent of total number of students in the school ? (rounded off to two digits after decimal)
What is the respective ratio of number of girls enrolled in Swimming to the number of boys enrolled in Swimming ?