Quiz about Surface Area And Volume

Question 1

Two cubes each of $$10 {~cm}$$ edge ate joined end to end. Find the surface area of the resulting cuboid.

Accepted Answer

Covalent bond

Answer

$$1000 {~cm}^{2}$$

Answer

$$1100 {~cm}^{2}$$

Answer

$$1500 {~cm}^{2}$$

Answer

$$1003 {~cm}^{2}$$

Question 2

Find the ratio of the volume if the radius of the larger ball is four times the radius of the smaller ball.

Accepted Answer

Covalent bond

Answer

$$1:64$$

Answer

$$1:4$$

Answer

$$1:16$$

Answer

$$1:8$$

Question 3

A hollow sphere of internal and external diameters $$4 ~cm$$ and $$8 ~cm$$ is melted into a cone of base diameter $$8 ~cm$$. Calculate the height of the cone?

Accepted Answer

Covalent bond

Answer

$$20 ~cm$$

Answer

$$16 ~cm$$

Answer

$$14 ~cm$$

Answer

$$12 ~cm$$

Question 4

The largest possible sphere is carved out of a wooden solid cube of side $$7 ~cm.$$ Find the volume of the wood left.

Accepted Answer

Covalent bond

Answer

$$163.33 ~cm^3$$

Answer

$$123.33 ~cm^3$$

Answer

$$143.33 ~cm^3$$

Answer

$$183.33 cm^3$$

Question 5

Surface area of a sphere is equal to the curved surface area of the circumscribed cylinder (True or False)

Accepted Answer

Covalent bond

Answer

False

Answer

True

R D Sharma Surface Area And Volume Cbse Class 10 Maths Problems and Solutions

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