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CBSE Class 8 Maths Worksheet

Mensuration

1.
Complete the following: Volume of cylinder=
A) pyrsqh B) 2(lb+bh+hl) C) 2py X r(r+h) D) 6 l cube
2.
A suitcase with measures 160 cm × 96 cm × 48 cm is to be covered with a tarpaulin cloth. How many meters of tarpaulin of width 192 cm is required to cover 200 such suitcases?
3.
Find the area of a rhombus whose diagonals are 10 cm and 8 cm.
4.
The area of a rhombus is 480 cm2 and one of the diagonals is 32 cm. Find the other diagonal.
5.
A box is in the form of a cuboid whose external measures are 40 cm × 15 cm × 20 cm. The base, side faces and back face are to be covered with a colored paper. Find the area of the paper needed?
6.
Complete the following: Volume of cube=
A) l X b X h B) l cube C) 6 l cube D) 6 l sq.
7.
The shape of the cardboard is a trapezium. Find its area if its parallel sides are 2 m and 2.4 m and perpendicular distance between them is 0.16 m.
8.
If the base area of a room 12 m sq. and height is 3m then its volume is _______.
A) 4 m cube B) 36m cube C) 12m cube D) 18m cube
9.
Find the area of a rhombus whose diagonals are of lengths 12 cm and 9.2 cm.
10.
In a building there are 48 cylindrical pillars. The radius of each pillar is 56 cm and height is 8 m. Find the total cost of painting the curved surface area of all pillars at the rate of Rs 16 per m2.
11.
Which of the following is equal to 1 kiloliter?
A) 1000mililiters B) 100 dm cube C) 1dm cube D) 1000 dm cube
12.
A rectangular paper of width 28 cm is rolled along its width and a cylinder of radius 40 cm is formed. Find the volume of the cylinder.
13.
The area of a trapezium shaped field is 960 m2, the distance between two parallel sides is 30 m and one of the parallel side is 40 m. Find the other parallel side.
14.
If the edge of a cube is 1cm then which of the following is its total surface area ?
A) 1 cm sq. B) 4 cm sq. C) 6cm sq. D) none of these
15.
Shivani painted the outside of the cabinet of measure 2 m × 4 m × 3 m. How much surface area did she cover if she painted all except the bottom of the cabinet.
16.
Find the side of a cube whose surface area is 2400 cm sq.
17.
Guess who I am ? One curved surface and two circular.
18.
The internal measures of a cuboidal room are 24 m × 16 m × 8 m. Find the total cost of painting all four walls of a room, if the cost of painting is Rs 5 per m2. What will be the cost of painting if the ceiling of the room is painted.
19.
A rectangular piece of paper 22 cm × 8 cm is folded without overlapping to make a cylinder of height 8 cm. Find the volume of the cylinder.
20.
Complete the following: Surface are of cuboid =
A) 2(lb+bh+hl) B) l X b X h C) 2py X r(r+h) D) L X b

CBSE Class 8 Maths Worksheet

Mensuration

Answers

1.
2.
288 m
3.
40 cm sq.
4.
30 cm
5.
2700 cm sq.
6.
7.
0.35199999999999998
8.
9.
55.2 cmSq
10.
Rs 21626.88
11.
12.
140800
13.
24 m
14.
15.
44 m sq.
16.
20 cm
17.
Cylinder
18.
Rs 5120
19.
154 cm cube
20.