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

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?

In the year 1997, which state had the lowest percentage of candidates selected over the candidates appeared?

The number of candidates selected from Haryana during the period under review is approximately what percent of the number selected from Delhi during this period?

The percentage of candidates selected from U.P over those qualified from U.P is highest in the year?

What was the approximate percentage increase in the sales of 55AH batteries in 1998 compared to that in 1992?

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?