Study the following line graph and answer the questions.
Exports from Three Companies Over the Years (in Rs. crore)
2.  Average annual exports during the given period for Company Y is approximately what percent of the average annual exports for Company Z?  
Answer: Option D Explanation: Analysis of the graph: From the graph it is clear that
Average annual exports (in Rs. crore) of Company Y during the given period
Average annual exports (in Rs. crore) of Company Z during the given period

3.  In which year was the difference between the exports from Companies X and Y the minimum?  
Answer: Option C Explanation: The difference between the exports from the Companies X and Y during the various years are: In 1993 = Rs. (80 – 30) crores = Rs. 50 crores. In 1994 = Rs. (60 – 40) crores = Rs. 20 crores. In 1995 = Rs. (60 – 40) crores = Rs. 20 crores. In 1996 = Rs. (70 – 60) crores = Rs. 10 crores. In 1997 = Rs. (100 – 80) crores = Rs. 20 crores. In 1998 = Rs. (100 – 50) crores = Rs. 50 crores. In 1999 = Rs. (140 – 120) crores = Rs. 20 crores. Clearly, the difference is minimum in the year 1996. 
4.  What was the difference between the average exports of the three Companies in 1993 and the average exports in 1998?  
Answer: Option C Explanation: Average exports of the three Companies X, Y and Z in 1993
Average exports of the three Companies X, Y and Z in 1998

5.  In how many of the given years, were the exports from Company Z more than the average annual exports over the given years?  
Answer: Option C Explanation: Average annual exports of Company Z during the given period
= Rs. 85.71 crores. From the analysis of graph the exports of Company Z are more than the average annual exports of Company Z (i.e., Rs. 85.71 crores) during the years 1994, 1995, 1996 and 1999, i.e., during 4 of the given years. 