1. If two angles are said to be supplementary angles and one of the angles is 122°, then the other angle is
(A) 58°
(B) 32°
(C) 60°
(D) 58°
2. The angle which is less than 360° and larger than 180° is classified as
(A) Acute angle
(B) Obtuse angle
(C) Reflex angle
(D) Right angle
3. A solid is an object having
(A) One dimension
(B) Two dimensions
(C) No dimension
(D) Three dimensions
4. If the line segment is extended in two directions indefinitely from each of the two points then it is classified as
(A) Intersecting line
(B) Line
(C) Plane
(D) Ray
5. The flat surface in which two points are joined by using a straight line is classified as
(A) Line
(B) Ray
(C) Intersecting line
(D) Plane
6. The sum of angles of a hexagon is
(A) 720°
(B) 360°
(C) 920°
(D) 780°
7. The angle bisector bisects the angle exactly
(A) Perpendicular
(B) 60°
(C) Half
(D) Any ratio
8. N number of circles formed with a common center is called
(A) Inscribed circle
(B) Sphere
(C) Circumscribed circle
(D) Concentric circle
9. Axes of which of the following solids is perpendicular to their bases?
(A) Right solid
(B) Oblique solid
(C) Both (A) and (B)
(D) None of the above
10. Following is (are) solids of revolution.
(A) Sphere
(B) Cone
(C) All of the above
(D) Cylinder
11. Which of the following has equal faces?
(A) Tetrahedron
(B) Cube
(C) Octahedron
(D) All of the above
12. A solid with a vertex and a base that is formed by a simple closed curve is
(A) Triangle
(B) Cone
(C) Pyramid
(D) Dice
13. When the solid is cut by a plane parallel to its base then it is known as
(A) Full solid
(B) Truncated solid
(C) Half solid
(D) Frustum of solid
14. When the solid is cut by a plane inclined to its base then it is known as
(A) Full solid
(B) Half solid
(C) Frustum of solid
(D) Truncated solid
15. Which of the following is not present in a circle?
(A) Eccentricity
(B) Centre
(C) Sector
(D) Angle
16. Parabolic curves are not used in
(A) Arches
(B) Bridges
(C) Sound reflectors
(D) Boring
17. What is the shape with ‘n’ number of sides, in which all the sides are equal, called?
(A) Rectangle
(B) Regular polygon
(C) Triangle
(D) Circle
18. Which of the following is a conic section?
(A) Apex
(B) Rectangle
(C) Circle
(D) Square
19. The sections cut by a plane on a right circular cone are called
(A) Parabolic sections
(B) Conic sections
(C) Elliptical sections
(D) Hyperbolic sections
20. While cutting, if the plane is at an angle and it cuts all the generators, then the conic formed is called
(A) Circle
(B) Ellipse
(C) Parabola
(D) Hyperbola