NCERT Mathematics Class 10 Exemplar Ch 12 Surface Areas and Volumes Part 1
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EXERCISE 12.1
1. A cylindrical pencil sharpened at one edge is the combination of
(A) a cone and a cylinder (B) frustum of a cone and a cylinder
(C) a hemisphere and a cylinder (D) two cylinders.
Answer: A
2. A surahi is the combination of
(A) a sphere and a cylinder (B) a hemisphere and a cylinder
(C) two hemispheres (D) a cylinder and a cone.
Answer: A
3. A plumb line (sahul) is the combination of (see Fig. 12.2)
A Plumb Line (Sahul) is the Combination
(A) A cone and a cylinder (B) A hemisphere and a cone
(C) Frustum of a cone and a cylinder (D) Sphere and cylinder
Answer: B
4. The shape of a glass (tumbler) (see Fig. 12.3) is usually in the form of
(A) A cone (B) Frustum of a cone
(C) A cylinder (D) A sphere
Glass (Tumbler)
Answer: B
5. The shape of a gilli, in the gilli-danda game (see Fig. 12.4), is a combination of
(A) Two cylinders (B) A cone and a cylinder
(C) Two cones and a cylinder (D) Two cylinders and a cone
The Shape of a Gilli, in the Gilli-Danda Game
Answer: C
6. A shuttle cock used for playing badminton has the shape of the combination of
(A) a cylinder and a sphere (B) a cylinder and a hemisphere
(C) a sphere and a cone (D) frustum of a cone and a hemisphere
Answer: D