1.  In which pair of years was the number of candidates qualified, the same?

A. 1995 and 1997
B. 1995 and 2000
C. 1998 and 1999
D. 1996 and 2000
E. Data inadequate

Answer: Option E

Explanation:

The graph gives the data for the percentage of candidates qualified to appeared and unless the absolute values of number of candidates qualified or candidates appeared is know we cannot compare the absolute values for any two years.

Hence, the data is inadequate to solve this question.