1. In the figure below, set A is the set of students who go to the library after class, B is the set of students who go to internet cafes after class and C is the set of students who go to parties after class. the numbers in the figure represents the number of students in the region |A|=120, |B|=140, |C| =200 and |U|=450 32 B How many students only go to the library after class? How many students only go to internet cafes after class? How many students only go to parties after class? How many students either go to the library or internet cafe after class? How many students either go to the library or to parties after class? How many students either go to the internet cafes or to parties after class? 41 25 C 33

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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• 1. In the figure below, set A is the set of students who go to the library after class, B is the set of
students who go to internet cafes after class and C is the set of students who go to parties after class.
the numbers in the figure represents the number of students in the region |A|=120, |B|=140,
|C| =200 and |U|=450
32
How many students only go to the library after class?
How many students only go to internet cafes after class?
How many students only go to parties after class?
How many students either go to the library or internet cafe after class?
How many students either go to the library or to parties after class?
How many students either go to the internet cafes or to parties after
class?
41
25
C
33
Transcribed Image Text:• 1. In the figure below, set A is the set of students who go to the library after class, B is the set of students who go to internet cafes after class and C is the set of students who go to parties after class. the numbers in the figure represents the number of students in the region |A|=120, |B|=140, |C| =200 and |U|=450 32 How many students only go to the library after class? How many students only go to internet cafes after class? How many students only go to parties after class? How many students either go to the library or internet cafe after class? How many students either go to the library or to parties after class? How many students either go to the internet cafes or to parties after class? 41 25 C 33
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