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Byju's Answer
Standard VII
Mathematics
Finding the Value of an Expression
Find the valu...
Question
Find the value of expression:
5a - 7b - 1, if a = 4 and b = 1.
A
10
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B
11
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C
12
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D
13
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Solution
The correct option is
C
12
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Similar questions
Q.
Find the value of the following expression:
5a - 7b - 1, if a = 4 and b = 1.
Q.
If a=2 and b=5,the value of the expression
2
a
−
[
3
a
+
4
b
−
(
2
a
−
b
)
+
5
a
−
7
b
]
is:
Q.
If
a
,
b
,
c
are non zero real numbers, then minimum value of the expression
(
(
a
4
+
a
2
+
1
)
(
b
4
+
7
b
2
+
1
)
(
c
4
+
11
c
2
+
1
)
(
a
2
b
2
c
2
)
)
is
Q.
If A and B are whole numbers such that
9
A
2
=
12
A
+
96
and
B
2
=
2
B
+
3
, find the value of
5
A
+
7
B
.
Q.
Find the value of expression:
3a - 4b - 8 + 5a + 2b, if a = 3 and b = 7.
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