Study the following bar graph showing the percentage of children who can read at first grade level, grouped by their grade level in an Indian state.
For example, in 2008, 82% of the children from Standard 3 could read a text from Standard 1. Now answer the following question based on this graph.

In the year 2010, what is the approximate value of average of all Std 1, 2, 3, 4, 5 children who could read the Std 1 text?

Options

A. `49.2%`
B. `57%`
C. `33%`
D. Data insufficient

Answer

D