8th
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Mathematics

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SANJAY SINHA

2 years

Mathematics

8th

grade

Mensuration

SANJAY SINHA

36
plays

20 questions

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1. Multiple Choice
30 seconds
1 pt
1.A parallelogram has one side 18 cm and its distance from the opposite side is 8 cm. The area of the parallelogram is

$120cm2^{ }$
$72\ cm^2$
$144\ cm^2$
$100\ cm^2$
2. Multiple Choice
30 seconds
1 pt
2 .sum of parallel sides of a trapezium is 26m and its area is 156 square metres , then distance between the parallel side of the trapezium is
14 m
13 m
12 m
11 m
3. Multiple Choice
30 seconds
1 pt
The cross section of a canal is in the form of a trapezium . If the top of the canal is 12 m wide, bottom is 8 m wide and area of cross section is 60 square metres then the depth of canal is
8 m
6 m
4 m
2 m
4. Multiple Choice
30 seconds
1 pt
The area of trapezium is 24 square metres . If its height is 6 m then sum of its parallel sides is
4 m
6 m
8 m
2 m
5. Multiple Choice
30 seconds
1 pt
The parallel sides of a trapezium are in ratio 3:5 and the perpendicular distance between them is 12 cm. If the area is 384 sq.cm, then the smaller parallel side is
16 cm
20 cm
24 cm
28 cm
6. Multiple Choice
30 seconds
1 pt
Area of trapezium is equal to
$base\ \times\ height$
$\frac{1}{2}\ \times base\times height$
$\frac{1}{2}\times\left(a+b\right)\times h$
$\frac{1}{2}\times d\times\left(h_1+h_2\right)$
7. Multiple Choice
30 seconds
1 pt
The length of the side of a cube whose total surface area measures
$600^{ }cm^2$ is
60 cm
100 cm
10 cm
6 cm
8. Multiple Choice
30 seconds
1 pt
Lateral surface area of cube , whose side measures 5 cm, is
$150\ cm^2$
$125\ cm^2$
$25\ cm^2$
$100\ cm^2$
9. Multiple Choice
30 seconds
1 pt
The length of the side of a cube whose total surface area measures
$600^{ }cm^2$ is
60 cm
100 cm
10 cm
6 cm
10. Multiple Choice
30 seconds
1 pt
A cylindrical box has ____ curved surface and ____ circular faces, which are identical.
A. One, One
B. One, two
C. two, one
D. two, two
11. Multiple Choice
30 seconds
1 pt
All six faces of a cube are:
A. Identical
B. Different
C. Circular
D. Rectangular
12. Multiple Choice
30 seconds
1 pt
A cuboid has ______ pairs of identical faces.
A. 2
B. 3
C. 4
D. 5
13. Multiple Choice
30 seconds
1 pt
The area of a triangle with base b and altitude h is
(a) 1/2 bh
(b) bh
(c) 1/3 bh
(d) 1/4 bh
14. Multiple Choice
30 seconds
1 pt
The total surface area of a cylinder of base radius r and height h is
(a) 2πr (r + h)
(b) πr (r + h)
(c) 2πrh
(d) 2πr²
15. Multiple Choice
30 seconds
1 pt
1 cm³ =
(a) 1000 mm³
(b) 100 mm³
(c) 10 mm³
(d) 1/1000 mm³
16. Multiple Choice
30 seconds
1 pt
The area of the figure is
(a) 77 cm²
(b) 154 cm²
(c) 38.5 cm²
(d) none of these
17. Multiple Choice
30 seconds
1 pt
If the height of a cuboid becomes zero, it will take the shape of a
(a) cube
(b) parallelogram
(c) circle
(d) rectangle
18. Multiple Choice
30 seconds
1 pt
8 persons can stay in a cubical room. Each person requires 27 m³ of air. The side of the cube is
(a) 6 m
(b) 4 m
(c) 3 m
(d) 2 m
19. Multiple Choice
30 seconds
1 pt
The base area of a right circular cylinder is 16πcm³. Its height is 5 cm. Its curved surface area is
(a) 40π cm²
(b) 30π cm²
(c) 20π cm²
(d) 10π cm²
20. Multiple Choice
30 seconds
1 pt
The base area of a right circular cylinder is 16πcm³. Its height is 5 cm. Its curved surface area is
(a) 40π cm²
(b) 30π cm²
(c) 20π cm²
(d) 10π cm²
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