Direction: 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.
![](/content-resources/content-images/instruction/2642_instruction_image.jpg)
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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?
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- 49.2%
- 57%
- 33%
- Data Insufficient
Correct Option: D
From the given bar diagram , we see that the number of children in respective standard is not known.So , required answer is option D .