Teachoo MCQ Test

NCERT Exemplar MCQ Quiz

Preparing for CBSE

Chapter 12 Class 10 Surface Areas and Volumes | 7 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 672
Question 1 of 7
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Question 1 of 7
NCERT Exemplar
A mason constructs a wall of dimensions \(270\text{ cm}\times300\text{ cm}\times350\text{ cm}\) with bricks, each of size \(22.5\text{ cm}\times11.25\text{ cm}\times8.75\text{ cm}\). It is assumed that \(\frac{1}{8}\) of the wall's space is covered by mortar. The number of bricks used to construct the wall is:
Select one option. Answers are shown after the test.
Question 2 of 7
NCERT Exemplar
The volumes of two spheres are in the ratio \(64:27\). The ratio of their surface areas is:
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Question 3 of 7
NCERT Exemplar
A solid piece of iron in the form of a cuboid of dimensions \(49\text{ cm}\times33\text{ cm}\times24\text{ cm}\) is moulded to form a solid sphere. The radius of the sphere is:
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Question 4 of 7
NCERT Exemplar
If two solid hemispheres of the same base radius \(r\) are joined together along their bases, then the curved surface area of the new solid is:
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Question 5 of 7
NCERT Exemplar
A medicine capsule is in the shape of a cylinder of diameter \(0.5\text{ cm}\), with two hemispheres stuck to its ends. The length of the entire capsule is \(2\text{ cm}\). The capacity of the capsule is:
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Question 6 of 7
NCERT Exemplar
If a marble of radius \(2.1\text{ cm}\) is put into a cylindrical cup full of water of radius \(5\text{ cm}\) and height \(6\text{ cm}\), then how much water flows out of the cylindrical cup?
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Question 7 of 7
NCERT Exemplar
A metallic spherical shell of internal and external diameters \(4\text{ cm}\) and \(8\text{ cm}\), respectively, is melted and recast into a cone of base diameter \(8\text{ cm}\). The height of the cone is:
Select one option. Answers are shown after the test.