Homework Answers
Answer here is C
As venn diagram shows
b+e+d+f shows the people who likes listening
Where d is 5 , number of people who like all three means
b+d is 15 , who like visually and listening
So we get b as 10
Similarly f as 11
We have to find e
Which is only listening
So tht is 5
Option C is right
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telephone from March 15-23. Students selected for participation
were called at their dormitory room or their home telephone number
as recorded in university records. If the student was not present
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return to the university.
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