PDF chapter test TRY NOW

The representation given below shows the number of people living in a particular street who completed their graduation in different streams.  Answer the following based on the following simple bar graph.
 
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1. What is the total number of people surveyed in that street? 
 
2. How many people in that street did B. E.? .
 
3. Find the total number of people who studied B. Com. and B. D. S.? .