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Byju's Answer
Standard VI
Mathematics
Ratio a:b:c and Its Simplification
If nA=4,nB=...
Question
If
n
(
A
)
=
4
,
n
(
B
)
=
3
,
n
(
A
×
B
×
C
)
=
24
, then
n
(
C
)
=
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Solution
n
(
A
)
=
4
n
(
B
)
=
3
n
(
A
×
B
×
C
)
=
24
n
(
C
)
=
24
4
×
3
=
2
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0
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Q.
For any three sets
A
,
B
&
C
,
n
(
A
∪
B
∪
C
)
=
n
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A
)
+
n
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B
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+
n
(
C
)
−
n
(
A
∩
B
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−
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Q.
If n(A)=4, n(B)=3,
n
(
A
×
B
×
C
)
=
24
,
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n
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(
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is equal to
Q.
Given n(A) = 11, n(B) = 13, n(C) = 16,
n
(
A
∩
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)
=
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(
B
∩
C
)
=
6
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a
n
d
n
(
A
∩
B
∩
C
)
=
2
then the value of
n
[
A
∪
B
∪
C
]
=
Q.
Observe the figure 1.18 and verify the following equations.
n (A
∪
B
∪
C) = n (A) + n (B) + n (C) − n (A
∩
B ) − n (B
∩
C) − n (C
∩
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∩
C)
figure
Q.
If n(A)=3, n(B)=4, then
n
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×
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)
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)
is equal to :
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Ratio a:b:c and Its Simplification
Standard VI Mathematics
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