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CBSE Questions for Class 7 Maths Fractions And Decimals Quiz 1 - MCQExams.com
CBSE
Class 7 Maths
Fractions And Decimals
Quiz 1
5.6
×
4.5
+
3.4
=
?
Report Question
0%
123.42
0%
2613.76
0%
243.12
0%
28.6
Explanation
5.6
×
4.5
=
25.2
so,
5.6
×
4.5
+
3.4
=
25.2
+
3.4
=
28.6
Solve the given
3.005
+
4.7
Report Question
0%
3.052
0%
3.475
0%
7.705
0%
3.007
Explanation
Addition of
3.005
and
4.7
gives
3.005
+
4.7
=
7.705
1
7
of
49
litre
=
____litre
Report Question
0%
1
0%
5
0%
7
0%
6
Explanation
1
7
of
49
litre
=
1
7
×
49
=
7
litre.
Hence, the answer is
7
.
Any mixed fraction can be divided into two parts and they are:
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0%
Whole number and proper fraction
0%
Whole number and improper fraction
0%
Proper fraction and improper fraction
0%
None of the above
Explanation
A Mixed Fraction is a whole number and a proper fraction combined.
for example
4
2
3
, where
4
is the whole number part and
2
3
is the
proper fraction.
Subtract the given decimals:
4.17
from
5.5
Report Question
0%
1.33
0%
3.62
0%
1.12
0%
3.15
Explanation
5.5
−
4.17
=
1.33
Simplified value for
12.500
+
8.75
+
2.25
is
Report Question
0%
23.500
0%
13.600
0%
13600
0%
23.050
Explanation
Given that we have to find the sum of three numbers
12.500
,
8.75
,
2.25
8.75
+
2.25
=
11.00
12.500
+
8.75
+
2.25
=
12.500
+
11.000
=
23.500
So Option
A
is correct
Evaluate the expression
1.5625
+
0.75
−
0.3125
Report Question
0%
5.9375
0%
4.2968
0%
2.1250
0%
2
Explanation
1.5625
+
0.75
−
0.3125
=
2.3125
−
0.3125
=
2
Mixed fraction for
39
12
is
Report Question
0%
3
1
12
0%
3
2
12
0%
3
3
12
0%
2
14
12
Explanation
Q
R
D
=
3
3
12
Find the sum of
1.2
and
2.3
.
Report Question
0%
35
0%
3.5
0%
0.35
0%
1.23
Explanation
The sum of
1.2
and
2.3
will be
1.2
+
2.3
=
3.5
The number equal to 22 thousandths is
Report Question
0%
0.22
0%
0.022
0%
2.022
0%
2.202
Explanation
22
1000
=
0.022
Solve:
122.5
÷
1000
=
Report Question
0%
.01225
0%
.1225
0%
1.225
0%
12.25
Explanation
122.5
/
1000
=
1225
/
10000
=
0.1225
Hence Option B
Solve:
14.79
×
1000
is
Report Question
0%
14709
0%
14790
0%
1479
0%
147.9
Explanation
14.79
×
1000
=
14790
Hence Option B
Mixed fraction for
39
12
is
Report Question
0%
3
1
12
0%
3
2
12
0%
3
3
12
0%
2
14
12
Explanation
39
12
can be written as
12
×
3
+
3
12
So mixed fraction of this number will be
3
3
12
So the correct answer is Option C
Improper fraction of
12
1
6
is
Report Question
0%
72
6
0%
73
6
0%
108
6
0%
85
6
Explanation
W
N
×
D
+
N
D
12
×
6
+
1
6
=
72
+
1
6
=
73
6
Multiply:
123
×
24.53
Report Question
0%
3017.19
0%
30171.9
0%
307.719
0%
30.719
Explanation
Multiplying and dividing by
100
we get
123
×
24.53
=
(
123
×
2453
)
÷
100
=
3017.19
Simplified value for
(
17.5
+
2.5
)
÷
5
is ____ .
Report Question
0%
1
0%
2
0%
3
0%
4
Explanation
To simplify:
(
17.5
+
2.5
)
÷
5
Now,
(
17.5
+
2.5
)
÷
5
=
(
20.0
)
÷
5
=
20
÷
5
=
4
Hence,
O
p
−
D
is correct .
Find the value of
617
+
6.017
+
0.617
+
6.0017
.
Report Question
0%
6.2963
0%
62.965
0%
629.6357
0%
62.8975
Explanation
given that,
617.0000
+
6.0170
+
0.6170
+
6.0017
=
629.6357
hence option
C
is correct
Which of the following is not a proper fraction ?
Report Question
0%
2
3
0%
3
4
0%
5
7
0%
6
5
Explanation
In
6
5
, the numerator
6
is greater than the denominator
5
.
Therefore,
6
5
is not a proper fraction.
Evaluate :
88.8
+
8.08
+
0.08
+
88.08
+
0.80
+
888
.
Report Question
0%
1073.84
0%
1073.76
0%
1073.04
0%
None of these
Explanation
88.80
+
8.08
+
0.08
+
88.08
+
0.80
+
888.00
_________
1073.84
_________
∴
Required sum
=
1073.84
.
685.59
−
x
=
607.88
−
351.46
Report Question
0%
449.28
0%
419.17
0%
429.17
0%
439.28
Explanation
Given that :
685.59
−
x
=
607.88
−
351.46
Therefore,
x
=
685.59
−
607.88
+
351.46
=
429.17
Which of the following is not an improper fraction?
Report Question
0%
4
3
0%
3
2
0%
5
3
0%
7
11
Explanation
In improper fractions, the numerator is always greater than the denominator.
In
7
11
, the numerator
7
is smaller than the denominator
11
.
In all other options
4
3
,
3
2
,
5
3
, the numerator is greater than the denominator.
Therefore,
7
11
is not an improper fraction.
Example for an improper fraction is
Report Question
0%
25
26
0%
12
13
0%
15
14
0%
19
20
Explanation
Denominator is less than the
numerator.
Consider the following quotients:
I.
368.39
divided by
17
.
II.
170.50
divided by
62
.
III.
875.65
divided by
83
.
Their correct sequence in decreasing order is ?
Report Question
0%
I, III, II
0%
II, I, III
0%
II, III, I
0%
III, I, II
Explanation
(I)
368.39
17
=
21.67
(II)
170.50
62
=
2.75
(III)
875.65
83
=
10.55
∴
The correct sequence in decreasing order is (I), (III), (II).
Evaluate :
0.75
−
0.0075
.
Report Question
0%
0.7405
0%
0.7425
0%
0.7415
0%
0.7525
Explanation
0.7500
−
0.0075
_________
0.7425
_________
∴
Required difference
=
0.7425
.
Evaluate the missing term:
301.01
−
0.101
=
___
+
198.01
Report Question
0%
103.119
0%
103.101
0%
102.901
0%
102.899
Explanation
Requried number
=
301.01
−
0.101
−
198.01
=
301.01
−
198.111
=
102.899
Improper fraction of
12
1
6
is
Report Question
0%
72
6
0%
73
6
0%
108
6
0%
85
6
Explanation
W
N
×
D
+
N
D
12
×
6
+
1
6
=
72
+
1
6
=
73
6
The above image represents the fraction:
Report Question
0%
3
2
0%
2
1
3
0%
2
1
2
0%
3
1
2
Explanation
In the given image, clearly there are 2 full shaded parts and one half shaded part.
Therefore, figure represent
2
+
1
2
⇒
2
1
2
Hence, option C is correct.
The above figure represents which of the following fractions?
Report Question
0%
9
7
0%
2
1
2
0%
4
1
2
0%
2
1
4
Explanation
Clearly, four circles are completely shaded and in the fifth one, half is shaded of the whole.
∴
we represent this
4
+
1
2
=
4
1
2
Hence, the answer is
4
1
2
.
Mixed fraction of
39
12
is
Report Question
0%
3
1
12
0%
3
2
12
0%
3
3
12
0%
2
14
12
Explanation
A Mixed Fraction is a whole number and a proper fraction combined.
Divide the numerator by the denominator.
Write down the whole number answer
Then write down any remainder above the denominator.
39
12
=
36
12
+
3
12
=
3
+
3
12
=
3
3
12
represents
Report Question
0%
3
2
0%
2
1
3
0%
2
1
2
0%
3
1
2
Explanation
Since 2 wholes and half of third rectangle is shaded, the given figure represents
2
1
2
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