MCQ :
VIII Surface Area and Volume Maths Help For Class 8th(VIII)
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1. Lateral
surface area of
a cylinder
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(a) πr²h b)
2πrh c) 2πr[r+h]
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2.Total surface
area of a
cylinder
|
(a) 2πrh
b) 2πr²h c)
2πr[r+h]
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3. When the
radius is doubled
surface area of
a cylinder increases
by ___ times .
|
(a) 2 b)
4 c) 6 d)
8
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4.When the
height is doubled
the lateral surface
area of a
cylinder increases by
---- times .
|
(a) 2
b) 4 c)
6 d) 8
|
5.There are
2 cuboid boxes
having measurements 60x40x50
and 50x50x50 .Which
box requires the
lesser amount of
material to make
.
|
(a) 60 x 40
x 50 b) 50x50x50
c) both same .
|
6.Surface area
of a cube
having side 6cm
|
(a) 6
b) 6² c)
6³ d) none of
these
|
7.Total surface
area of a
cuboid includes the
area of
|
(a) 4 faces
b) 2 faces c) 6
faces d) 3 faces
|
8.Ratio between
the lateral area
and base area
of a cuboid
|
(a)
1:2 b)
2: 1 c) 4:1
d) 1:4
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9.
Lateral surface area
of a cuboid
|
(a) Base
area x height
b) Base perimeter
x height c)
volume/2
|
10. Two
cubes each with
side b are
joined to form
a cuboid . What is
the surface area
of this Cuboid
|
(a) 12b² b)10b²
c) 18b² d) none of these .
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11.
Base perimeter of
a room is 34m
and the height
of the room
is 10m . Find the
area of the four
side walls .
|
(a) 34x10
m² b) 2x34x10 m² c)34x10x10 m² d)none of these.
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12.
The curved surface
area of a
cylinder is 100πm². Length of
the cylinder is
10 m . Find its Radius .
|
(a) 10m b) 5m
c) 20m d) none of these
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Solution:
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1) b 2)
c 3) b 4) a 5)
c 6) c 7)
c 8) c 9)
b 10) b
11) a 12) b
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Tuesday, 16 October 2012
MCQ : VIII Surface Area and Volume
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Where is the solutions for it??
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