A 275 m long train crosses a platform of equal length in 33 s. What is the speed of the train in km/h? 

75% of a number is equal to three-seventh of another number. What is the ratio between the first number and the second number respectively ? 

Direction: Study the following table carefully to answer these questions.

Number of students appeared in 2006 from school A is what per cent of the total number of students appeared from school A for all the years together ? 

Direction: Study the following table carefully to answer these questions.

What is the ratio between the total number of students appeared in 2004 and 2005 together from' schools C and D respectively? 

Direction: Study the following table carefully to answer these questions.

What is the average number of students appeared from all the schools in 2007?

Direction: Study the following table carefully to answer these questions.

What is the average number of students appeared from school B for all the years ?

Direction: Study the following table carefully to answer these questions.

Number of students appeared from school E in 2004 is approximately what per cent of the total number of students appeared from all the schools together in that year? 

A and B together can complete a particular task in 4 days. If A alone can complete the same task in 6 days, how many days will B take to complete the task if he works alone?