RD Sharma Class 10 Solutions Chapter 16 Surface Areas and Volumes Ex 16.3 Q 8

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RD Sharma Class 10 Solutions Chapter 16 Surface Areas and Volumes Ex 16.3 Q 9

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RD Sharma Class 10 Solutions Chapter 16 Surface Areas and Volumes Ex 16.3 Q 10

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RD Sharma Class 10 Solutions Chapter 16 Surface Areas and Volumes Ex 16.3 Q 11

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NCERT Solutions for Class 10th Maths Chapter 13 Surface Areas and Volumes Ex 13.1

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NCERT Solutions for Class 10th Maths Chapter 13 Surface Areas and Volumes Ex 13.1 Q 1

00:10 1. 2 cubes each of volume 64 cm 3 are joined end to end. Find the surface area of the

resulting cuboid.

02:20 2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The

diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the

inner surface area of the vessel.

05:30 3. A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius.

The total height of the toy is 15.5 cm. Find the total surface area of the toy.

09:58 4. A cubical block of side 7 cm is surmounted by a hemisphere. What is the greatest

diameter the hemisphere can have? Find the surface area of the solid.

13:55 5. A hemispherical depression is cut out from one face of a cubical wooden block such

that the diameter lof the hemisphere is equal to the edge of the cube. Determine the

surface area of the remaining solid.

17:00 6. A medicine capsule is in the shape of a

cylinder with two hemispheres stuck to each

of its ends (see Fig. 13.10). The length of

the entire capsule is 14 mm and the diameter

of the capsule is 5 mm. Find its surface area.

20:47 7.A tent is in the shape of a cylinder surmounted by a conical top. If the height and

diameter of the cylindrical part are 2.1 m and 4 m respectively, and the slant height of the

top is 2.8 m, find the area of the canvas used for making the tent. Also, find the cost of

the canvas of the tent at the rate of Rs 500 per m

2

. (Note that the base of the tent will not

be covered with canvas.)

23:45 8. From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the

same height and same diameter is hollowed out. Find the total surface area of the

remaining solid to the nearest cm

2

.

9. A wooden article was made by scooping

out a hemisphere from each end of a solid

cylinder, as shown in Fig. 13.11. If the

height of the cylinder is 10 cm, and its

base is of radius 3.5 cm, find the total

surface area of the article.

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