Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the questions.
How many children are there in a class?
I.Saurabh is fifth from the top if arranged in descending order of marks.
II.Sulabha, who is ten ranks below Saurabh, is 25th from the bottom.
III.Jatin is four ranks above Sulabha.