Surface Areas and Volumes Test

Result

Surface Areas and Volumes Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

The radii of the top and bottom of a bucket of slant height 45 cm are 28 cm and 7 cm respectively. The curved surface area of the bucket is

A
4955 cm²

B
4952 cm²

C
4951 cm²

D
4950 cm²
Question 2
1 / -0

The radii of two cylinders are in the ratio 5 : 7 and their heights are in the ratio 3 : 5. The ratio of their curved surface area is

A
3 : 7

B
7 : 3

C
5 : 7

D
3 : 5
Question 3
1 / -0

The total surface area of a solid hemisphere of radius r is

A
πr²

B
2πr²

C
3πr²

D
4πr²
Question 4
1 / -0

The length of the diagonal of a cube is 8√3 cm. Its total surface area is

A
350 cm²

B
384 cm²

C
256 cm²

D
321 cm²
Question 5
1 / -0

The length of the longest rod that can be placed in a 12m × 9m × 8m room is

A
15 m

B
17 m

C
21 m

D
25 m
Question 6
1 / -0

1 m³ is equal to how many litres ?

A
100

B
1000

C
1

D
10
Question 7
1 / -0

Twelve solid spheres of the same size are made by melting a solid metallic cylinder of base diameter 2 cm and height 16 cm. The diameter of each sphere is

A
4 cm

B
3 cm

C
2 cm

D
6 cm
Question 8
1 / -0

During conversion of a solid from one shape to another, the volume of the new shape will

A
increase

B
decrease

C
remains unaltered

D
be doubled
Question 9
1 / -0

Volumes of two spheres are in the ratio 64 : 27. The ratio of their surface areas is

A
3 : 4

B
4 : 3

C
9 : 16

D
16 : 9

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Re-Attempt Weekly Quiz Competition

Surface Areas and Volumes Test - 4

Result

Surface Areas and Volumes Test - 4

Score

-

Rank

-

SHARING IS CARING

Question 1

4955 cm2

4952 cm2

4951 cm2

4950 cm2

Question 2

3 : 7

7 : 3

5 : 7

3 : 5

Question 3

πr2

2πr2

3πr2

4πr2

Question 4

350 cm2

384 cm2

256 cm2

321 cm2

Question 5

15 m

17 m

21 m

25 m

Question 6

100

1000

1

10

Question 7

4 cm

3 cm

2 cm

6 cm

Question 8

increase

decrease

remains unaltered

be doubled

Question 9

3 : 4

4 : 3

9 : 16

16 : 9

User

Question Analysis

My Perfomance

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Rank

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4955 cm²

4952 cm²

4951 cm²

4950 cm²

πr²

2πr²

3πr²

4πr²

350 cm²

384 cm²

256 cm²

321 cm²