Read the following graph and answer the questions
India and Brazil Literacy Rate (%)
i) What was the literacy rate in Brazil in 2001?
ii) In which decade did the literacy rate increase the most in India?
iii) What is the difference between the literacy rates of India and Brazil in 1991?
iv) By how much has the literacy rate increased in India between 1981- 2016?
v) How much is the interval generally used in the graph?
vi) What conclusions can you draw from the graph regarding the literacy rates of India and Brazil?