Imagine you are Fowler, write a news report on what had happened at that night.
Plz answer fast
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Explanation:
Assume
H denote the set of people speaking Hindi and
E
the set of people speaking English. Then, it is given that:
n
(
H
∪
E
)
=
50
,
n
(
H
)
=
35
,
n
(
H
∩
E
)
=
25.
Now,
n
(
E
−
H
)
=
n
(
H
∪
E
)
−
n
(
H
)
=
50
−
35
=
15
So, the number of people speaking English but not Hindi is
15.
Now,
n
(
H
∪
E
)
=
n
(
H
)
+
n
(
E
)
−
n
(
H
∩
E
)
⇒
50
=
35
+
n
(
E
)
−
25
⇒
n
(
E
)
=
40
Therefore, the number of people who speak English is 40.
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