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CBSE Questions for Class 6 Maths Mensuration Quiz 1 - MCQExams.com
CBSE
Class 6 Maths
Mensuration
Quiz 1
Perimeter of a square whose side measures
4
m is:
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0%
16
m
0%
16
cm
0%
4
m
0%
12
m
Explanation
Perimeter of a square =
4
×
s
i
d
e
=
4
×
4
=
16
m
Perimeter of square of sides is
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0%
4
∗
s
i
d
e
0%
s
i
d
e
4
0%
4
+
s
i
d
e
0%
s
i
d
e
×
s
i
d
e
Explanation
since perimeter is defined as sum of all sides
a square has 4 sides
perimeter of square = s+s+s+s
= 4s
If the length and breadth of a rectangle are doubled then its perimeter is
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0%
tripled
0%
doubled
0%
made half
0%
none of these
Explanation
Perimeter of rectangle
=
2
(
l
+
b
)
Here length
=
l
and breadth
=
b
If the length and breadth of a rectangle are doubled.
then length
=
2
l
and breadth
=
2
b
∴
perimeter of new rectangle would be
2(2l+2b) = 4(l+b) = 2.2(l+b)
\therefore
if the length and breadth of a rectangle are doubled then its perimeter is also doubled.
Option B is correct.
Perimeter of a square whose side measures
4\ m
is
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0%
16\ m
0%
16\ cm
0%
4\ m
0%
12\ m
Explanation
Perimeter of the square side
= 4 *side of square
Hence, perimeter of this square of side
4\ m
= 4 \times 4 = 16\ m
Perimeter of a square
728
cm. Then the measure of its side is :
Report Question
0%
187
cm
0%
182
cm
0%
128
cm
0%
185
cm
Explanation
Perimeter of square
= 4 \times side
\therefore 4\, \times\, side\, =\, 728
side\, =\, \displaystyle \frac{728}{4}\, =\, 182\ m
Thus the measure of the side of the square is
182
cm.
The perimeter of a square field whose side is
4 \ m
is ........... m.
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0%
8
0%
16
0%
12
0%
10
Explanation
Perimeter of a square is =
4 \times side
Hence Perimeter of square =
4 \times 4 = 16 m
The perimeter of a rectangle whose length
(l)
and breadth
(b)
are given, is
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0%
2(l+b)
0%
2l+b
0%
2l+3b
0%
None of these
Explanation
Perimeter of a rectangle is the sum of all its four sides.
Since, two sides measure
l
and the other two sides measure
b
, Perimeter of a rectangle whose length
(l)
and breadth
(b)
are given, is
l + b + l + b = 2(l + b)
Perimeter of a square is?
Where
s
is the side of the square.
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0%
4s
0%
s^4
0%
4 + s
0%
s \times s
Explanation
Perimeter of square = 4s
The perimeter of the rectangle whose length =
25
cm, breadth =
15
cm is ............ cm.
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0%
40
0%
80
0%
50
0%
81
Explanation
Perimeter of a rectangle
=
2 \times (length+breadth)
Hence perimeter
=
2 \times(25+15)
=
80\ cm
Perimeter of a square garden is
444
m. Then its side measures
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0%
101
m
0%
111
cm
0%
111
m
0%
101
cm
Explanation
Given, perimeter of a square garden is
444
m.
So, perimeter
= 444 = 4
\times
side
side\, =\, \displaystyle \frac{444}{4}\, =\, 111
m
Then sides of a garden measures
111
m.
What is formula of perimeter of square ?
Report Question
0%
4
\times \,\, side^2
0%
2
\times
side
0%
2
\times \,\, side^2
0%
4
\times
side
Explanation
if side of a square is
a
then perimeter of square is
= a+a+a+a=4a
Hence option
' D'
is the answer.
The distance covered by a farmer around a field of
120
m length and
80
m width is ........... m.
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0%
200
0%
300
0%
400
0%
500
Explanation
Distance covered by the farmer = perimeter of the filed =
2\times(length+breadth)
=
2\times(120+80)
=
2 \times 200
=
400 m
The perimeter of a square is
144 \text{ m}
, then the side of the square is …..
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0%
34 \text{ m}
0%
36 \text{ m}
0%
44 \text{ m}
0%
38 \text{ m}
Explanation
Perimeter of square
=4\times side
=144
Hence,
side
=144 \div 4
=36 \text{ m}
The formula for the perimeter of a rectangle is:
Report Question
0%
(l + b)
0%
2(l + b)
0%
2 (l \times b)
0%
(l \times b)
Explanation
Here,
ABCD
is a rectangle.
Let the length and breadth of the rectangle be
l
and
b
respectively.
\therefore \
Perimeter of rectangle
ABCD=AB+BC+CD+DA
=l+b+l+b
=2l+2b
=2(l+b)
\therefore\
The formula for the perimeter of a rectangle is
2(l+b).
Perimeter of square 728 cm Then the measure of its side is
Report Question
0%
81
cm
0%
182
m
0%
128
cm
0%
182
cm
Explanation
We know that,
Peri
=4*side
4\displaystyle \times side \displaystyle = 728
\displaystyle side= \frac{728}{4}= 182m
If the length of a rectangle is
5
cm and the breadth of the rectangle is
12
cm then find the area of the rectangle.
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0%
25 cm^{2}
0%
60 cm^{2}
0%
31 cm^{2}
0%
12 cm^{2}
Explanation
Given: The length of the rectangle is
5 cm
and breadth is
12 cm
.
Then area of rectangle
=length \times breadth=5\times 12
=60 cm^{2}
If the side of a square park is
5
m, then its perimeter is ............
Report Question
0%
10
m
0%
25
m
0%
20
m
0%
15
m
Explanation
Perimeter of the square park =
4\times side
=
4*5 = 20
Perimeter of the square =
20 m
Perimeter of a rectangle of length
l
and breadth
b
is__
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0%
2l+ b
0%
\displaystyle l\times b
0%
2 (l + b)
0%
2 (l - b)
Explanation
Given the length of the rectangle
=\ l
the breadth
of the rectangle
=\ b
perimeter of the rectangle
=
sum of length of all sides of the rectangle
=\ l+\ b+\ l+ \ b
=2\ l+2\ b
=2(\ l+\ b)
\therefore
perimeter of the rectangle
=2(\ l+\ b)
Perimeter of a square whose side measures 4 m is
Report Question
0%
16 m
0%
16 cm
0%
4 m
0%
12 m
Explanation
We know,
Side of square
=a=4\ \text{m}
Perimeter of a square
= 4 \times a
= 4 \displaystyle \times 4\ \text{m}
= 16 \ \text{m}
The distance covered by a farmer around a rectangular field of 120 m length and 80 m width is _____ m.
Report Question
0%
200
0%
300
0%
400
0%
500
Explanation
We know that the distance covered would be equal to the perimeter of the rectangle.
\therefore Distance = 2\times (l+b) = 2\times (120+80) =400m
If the side of a square park is 5 m then its perimeter is______
Report Question
0%
10 m
0%
25 m
0%
20 m
0%
15 m
Explanation
We know,
Perimeter
=4 \ast side
=
4\ast 5
=
20m
Perimeter of square garden is 444 sq m. Then its side measures:
Report Question
0%
101 m
0%
111 cm
0%
111 m
0%
101 cm
Explanation
Perimeter of square garden
\displaystyle = 444 \displaystyle = 4 \displaystyle \times side
\displaystyle side= \frac{444}{4}= 111m
Area of square whose side measures 13 m is
Report Question
0%
9 m
0%
9 sq m
0%
169 sq m
0%
169 m
Explanation
We know,
Area of a square =
Side^2
= 13
\displaystyle \times
13
\displaystyle =
169 sq m
Area of a rectangle whose length is
13
m and breadth is
12
m is
Report Question
0%
156
m
0%
156
cm
0%
156
sq m
0%
none
Explanation
Here,
ABCD
is a rectangle.
AB,CD
are length of a rectangle and
AD,BC
breadth of a rectangle.
\therefore
AB=CD=13m
and
AD=BC=12m
\Rightarrow
Length of a rectangle
(l)=13m
\Rightarrow
Breadth of a rectangle
(b)=12m
\Rightarrow
Area of rectangle
ABCD=l\times b
=13m\times 12m
=156\,m^2
A rectangular playground which is
250\ m
long and
20\ m
broad is to be fenced with wire.How much wire needed?
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0%
270\ m
0%
230\ m
0%
540\ m
0%
none
Explanation
Wire needed would be perimeter of the playground:
We know,
Perimeter of rectangle:
2(l+b)
=250 + 20 + 250 + 20 = 540\ m
A postage stamp is
12\ mm
in breadth and
20\ mm
in length. Find the area of stamp in
cm^{2}
Report Question
0%
0.24
0%
240
0%
24
0%
2.4
Explanation
As we know that,
1\ cm=10\ mm
So,
1\ mm=0.1\ cm
Given:-
Length
= 20\ mm
=20\times 0.1\ cm
=2\ cm
Breadth
= 12\ mm
=12\times 0.1\ cm
=1.2\ cm
Area of stamp
=
Length
\times
Breadth
=2\times 1.2
=2.4\ cm^2
Hence, option
D
is correct.
Fill in the blanks:
Perimeter of the square of side
4
cm = _____ cm
Report Question
0%
16
0%
12
0%
18
0%
8
Explanation
Given, Side of a square =
4
cm
Perimeter of a square
= 4 \times side
So, perimeter of the square
= 4 \times 4 \ cm= 16 cm
Hence, the perimeter of the square is
16\ cm
An athelete takes
5
rounds of a rectangular park,
50
m long and
250
m wide. Then the total distance covered by him is ______ .
Report Question
0%
150
m
0%
75
m
0%
1000
m
0%
3000
m
Explanation
Given, Breadth of the rectangular park
b=250
m
and Length
l=50
m
Perimeter of the park
=2(b+l)
=2\times (250+50)
=2\times 300
=600
m
Given: Athlete take
5
rounds around the rectangular park
So, the total distance covered by the athlete
=
5\times 600
m
=3000
m
How many paving stones each measuring
2.5\text{ m}
\times 2\text{ m}
are required to pave a rectangular courtyard
30\text{ m}
long and
16.5\text{ m}
wide?
Report Question
0%
105
0%
89
0%
99
0%
84
Explanation
Area of paving stones
=2.5 \times 2=5 \text{ m}^2
Area of courtyard
=30 \times 16.5=495 \text{ m}^2
Now,
Number of paving stones required
=
area of courtyard
÷
area of paving stone
= 495 ÷ 5
= 99
paving stones
So option C is the correct answer.
The figure is made up of
2
rectangles
What is the perimeter of the big rectangle?
Report Question
0%
11r+12
0%
22r+24
0%
11r
0%
11r+6
Explanation
\Rightarrow
Length of a big rectangle
(l)=(7r+3+3)cm=(7r+6)cm
.
\Rightarrow
Breadth of a big rectangle
(b)=(4r+3+3)cm=(4r+6)cm
\Rightarrow
Perimeter of big rectangle
=2(l+b)cm
=2[(7r+6)+(4r+6)]cm
=2[11r+12]cm
=22r+24\,cm
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