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CBSE Questions for Class 7 Maths Simple Equations Quiz 5 - MCQExams.com
CBSE
Class 7 Maths
Simple Equations
Quiz 5
What value of
x
x
that makes the following equation true ( using trail and error method) ?
x
+
5
2
=
3
x
+
5
2
=
3
Report Question
0%
x
=
0
x
=
0
0%
x
=
1
x
=
1
0%
x
=
2
x
=
2
0%
x
=
3
x
=
3
Find the suitable value of
x
x
for the following equation by trial and method:
2
x
−
21
=
21
2
x
−
21
=
21
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0%
x
=
20
x
=
20
0%
x
=
21
x
=
21
0%
x
=
22
x
=
22
0%
x
=
23
x
=
23
What is the method of finding a solution by trying out various values for the variable called?
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0%
Trial method
0%
Trial and error method
0%
Substitution method
0%
Testing method
Solve the equation
x
−
10
=
5
x
−
10
=
5
using trial and error method.
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0%
x
=
5
x
=
5
0%
x
=
10
x
=
10
0%
x
=
15
x
=
15
0%
x
=
20
x
=
20
Evaluate using trial and error method:
2
(
x
+
5
)
=
10
2
(
x
+
5
)
=
10
Report Question
0%
x
=
0
x
=
0
0%
x
=
1
x
=
1
0%
x
=
2
x
=
2
0%
x
=
3
x
=
3
If
x
2
=
3
2
x
2
=
3
2
, what is the value of
x
x
?
( using trail and error method)
Report Question
0%
x
=
0
x
=
0
0%
x
=
1
x
=
1
0%
x
=
2
x
=
2
0%
x
=
3
x
=
3
Choose the set that has solution for the equation
x
+
4
=
10
x
+
4
=
10
Report Question
0%
3
3
0%
6
6
0%
1
1
0%
none of the above
What value of
x
x
makes
4
x
−
3
=
17
4
x
−
3
=
17
a true statement.
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0%
x
=
2
x
=
2
0%
x
=
3
x
=
3
0%
x
=
4
x
=
4
0%
x
=
5
x
=
5
Choose the value of
x
x
that satisfies the equation
6
x
=
12
6
x
=
12
.
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0%
x
=
2
x
=
2
0%
x
=
3
x
=
3
0%
x
=
4
x
=
4
0%
None of these
Use trial amd error method, find the value of
t
t
if
t
4
=
4
t
4
=
4
.
Report Question
0%
x
=
4
x
=
4
0%
x
=
8
x
=
8
0%
x
=
12
x
=
12
0%
x
=
16
x
=
16
Determine the value of
x
x
using trail and error method if
x
+
10
=
17
x
+
10
=
17
.
Report Question
0%
x
=
3
x
=
3
0%
x
=
5
x
=
5
0%
x
=
7
x
=
7
0%
x
=
9
x
=
9
Which of the following equation/s has/have
x
=
3
x
=
3
solution?
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0%
x
+
3
=
6
x
+
3
=
6
0%
x
+
4
=
6
x
+
4
=
6
0%
2
x
=
6
2
x
=
6
0%
x
+
5
=
8
x
+
5
=
8
Choose the equation for which
x
=
2
x
=
2
is a solution.
Report Question
0%
x
+
1
=
5
x
+
1
=
5
0%
x
+
3
=
5
x
+
3
=
5
0%
x
+
5
=
5
x
+
5
=
5
0%
None of these
Use trial and error method, find the value of
x
x
if
5
x
=
25
5
x
=
25
.
Report Question
0%
x
=
3
x
=
3
0%
x
=
4
x
=
4
0%
x
=
5
x
=
5
0%
x
=
6
x
=
6
The equation of curve is given as
y
=
x
2
+
2
−
3
x
y
=
x
2
+
2
−
3
x
The curve intersects the x-axis at
Report Question
0%
(
1
,
0
)
(
1
,
0
)
0%
(
2
,
0
)
(
2
,
0
)
0%
Both
(
1
)
(
1
)
and
(
2
)
(
2
)
0%
N
o
w
h
e
r
e
N
o
w
h
e
r
e
which of the following is an expression in the variable?
Report Question
0%
x+y
0%
x+y-z
0%
x+1
0%
3
0:0:2
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1
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5
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8
9
10
11
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15
16
0
Answered
1
Not Answered
15
Not Visited
Correct : 0
Incorrect : 0
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