Direction: Study the following table carefully and answer the given questions. Table shows the of passed students in four schools and ratio between passed boys and girls among them. The ratio between failed boys and girls is reverse of passed ratio between them.

The number passed of girls from School S is approximately what percentage of passed girls from School Q?

Direction: Study the following table carefully and answer the given questions. Table shows the of passed students in four schools and ratio between passed boys and girls among them. The ratio between failed boys and girls is reverse of passed ratio between them.

Find the ratio between the number of boys passed from School P and School Q. 

Direction: Study the following table carefully and answer the given questions. Table shows the of passed students in four schools and ratio between passed boys and girls among them. The ratio between failed boys and girls is reverse of passed ratio between them.

If in school P, 100 girls are failed in the exam, then find the total number of students in school P. 

If the difference between CI and SI for 3 years at the rate of 10% is Rs 31. Find the principle.

What is the total CSA of cone whose radius is 3 cm and height is 4 cm? 

Sunil, Karim and Mohan are invested a certain amount in the ratio 1: 2: 3 and the ratio of investment at the end of year is 3 : 8: 18. Find the ratio of time for which they invested ?

Tina can complete a piece of work in 10 days. Mina is $$ 33 {1\over3}$$%  less efficient than Tina. How many days are required to both to complete the work.

Directions : What will come in the place of the question mark (?) in the following number series?

100 100   50  150  37.5 ?