If the number of students passing an examination be considered a criteria for comparision of difficulty level of two examinations, which of the following statements is true in this context?

How many students are there in Class IX in the school?

Which section has the maximum pass percentage in at least one of the two examinations?

Which section has the maximum success rate in annual examination?

Which section has the minimum failure rate in half yearly examination?

What is the difference between the total number of Technicians added to the Company and the total number of Accountants added to the Company during the years 1996 to 2000?

The total sales of all the seven years is the maximum for which battery?

What is the difference in the number of 35AH batteries sold in 1993 and 1997?

The percentage of 4AH batteries sold to the total number of batteries sold was maximum in the year?

In case of which battery there was a continuous decrease in sales from 1992 to 1997?