Bar Charts
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Common Information

Answer the questions on the basis of the information given below.

The $2006$ batch of a premier B- school in India fared poorly in the three courses namely Statistics, Economics and Business Maths in their first semester examinations. 

The batch was divided into four sections $A$, $B$, $C$ and $D$ and every student in the batch wrote the examination on each of the three mentioned courses. 

The following bar graph provides information about the number of students who failed in each of the courses in the four sections.  

It  also  provides  information  about  the  total  number  of  students  and  the  number  of  students  who failed in two courses in each of the four sections. No student failed in all the three courses.

Common information image for Bar Charts, Data Interpretation:1080-1


Common Information Question: 1/5

In section $A$, how many students failed in only one course?











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Option(C) is correct

In Section $A$:

Number of students who failed in only one course

$= [56 + 45 + 60 – (2 × 49)]$


(4) Comment(s)


Oh.. Got it overall people who failed will use 1*49 where as no.of people failed in only one subject will use 1*49, check use Venn diagram to check and verify.


Shouldn't it be 1*49?


how many passed or all failed? did any failed in 3 subjects? so many unknown how did u assume so many variables?..49 failed in two subjects which two subject? or any two subject?.did 49 failed in statics n business maths or statics n economics or economics n business maths? or did 49 failed in any two subjects?


the number of students who failed in 2 courses is 49..why is it 2x49 n not 3x 49?