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## Surface Areas and Volumes Class 10 Multiple Choice Test

/10

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Surface Areas and Volumes MCQ Class 10 (101201)

General Instruction:

1. There are 10 MCQ’s in the Test.

2. Passing %age is 50.

3. After time gets over, test will be submitted itself.

1 / 10

A garden roller has a circumference of 4 m. The no. of revolutions it makes in moving 40 metres are:

(a) 12                                  (b) 16

(c) 8                                     (d) 10

2 / 10

A solid piece of iron in the form of a cuboid of dimensions 49 cm × 33 cm × 24 cm is molded to form a solid sphere. Radius of the sphere is:

(a) 25 cm                            (b) 21 cm

(c) 19 cm                            (d) 23 cm

3 / 10

The radii of bases of a cylinder and a cone are in the ratio 3 : 4 and their heights are in the ratio 2 : 3. The ratio between the volume of cylinder to that of cone is:

(a) 8 : 9

(b) 9 : 8

(c) 5 : 7

(d) 7 : 5

4 / 10

The curved surface area of a right circular cone of height 15 cm and base diameter 16 cm is:

(a) $$60 \pi cm^2$$

(b) $$68 \pi cm^2$$

(c) $$120 \pi cm^2$$

(d) $$136 \pi cm^2$$

5 / 10

A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is:

(a) 3 : 2 : 1

(b) 1 : 3 : 2

(c) 2 : 3 : 1

(d) 1 : 2 : 3

6 / 10

The volume of a sphere (in cu. cm) is equal to its surface area (in sq. cm). The diameter of the sphere (in cm) is:

(a) 3                                     (b) 6

(c) 2                                     (d) 4

7 / 10

A solid sphere of diameter 6 cm is melted and drawn into a wire of radius 4 mm. The length of wire is:

(a) 900 cm                         (b) 90 cm

(c) 900 m                            (d) 225 cm

8 / 10

The ratio of volume of a cone and a cylinder of equal diameter and equal height is:

(a) 3 : 1

(b) 1 : 3

(c) 1 : 2

(d) 2 : 1

9 / 10

A child reshapes a cone made up of China clay of height 24 cm and radius of base 6 cm into a sphere. The radius of the sphere is:

(a) 24 cm                            (b) 12 cm

(c) 6 cm                              (d) 48 cm

10 / 10

If a solid right circular cone of height 24 cm and base radius 6 cm is melted and recast in the shape of a sphere, then the radius of the sphere is:

(a) 6 cm                              (b) 4 cm

(c) 8 cm                              (d) 12 cm