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Byju's Answer
Standard VII
Mathematics
Unlike Terms
In the expres...
Question
In the expression
2
k
+
4
,
k
is the variable.
A
False
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B
True
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Solution
The correct option is
B
True
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Similar questions
Q.
A random variable
X
has the following p.d.f.
X
0
1
2
3
4
5
6
7
P
(
X
=
x
)
0
k
2
k
2
k
3
k
k
2
2
k
2
7
k
2
+
k
The value of
k
is
Q.
A random variable
X
has the following probability distribution:
X
0
1
2
3
4
P
(
X
)
0.1
k
2
k
2
k
k
Determine:
(i)
k
(ii)
P
(
X
≥
2
)
.
Q.
The probability distribution of a random variable is given below:
X
=
x
0
1
2
3
4
5
6
7
P
(
X
=
x
)
0
K
2
K
2
K
3
K
K
2
2
K
2
7
K
2
+
K
Then
P
(
0
<
X
<
5
)
=
Q.
Let
A
=
(
3
,
−
4
)
,
B
(
1
,
2
)
and
P
=
(
2
k
−
1
,
2
k
+
1
)
is a variable point such that
P
A
+
P
B
is the minimum. Then
k
is :
Q.
A random variable
X
has the following probability distribution.
X
=
x
0
1
2
3
4
5
6
7
P
(
X
=
x
)
0
k
2
k
2
k
3
k
k
2
2
k
2
7
k
2
+
k
Find (i)
k
(ii) The mean and (iii)
P
(
0
<
X
<
5
)
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