Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

41. A polyhedron is having 8 vertices and 12 edges. How many faces of it are there?

67 Views

42. A dodecahedron is having 20 vertices and 30 edges. How many faces are there?

169 Views

43. An icosahedron is having 20 triangular faces and 12 vertices. Find the number of its edges.

192 Views

44. What is the least number of planes that can enclose a solid? Name the simplest regular polyhedron and verify Euler’s formula for it.

635 Views

Solution not provided.
Ans. Cuboid;
(i) 8
(ii) 8
(iii) 12

84 Views

46.

Write the number of
(i) faces
(ii) edges
(iii) vertices for a triangular prism.

71 Views

47. Number of faces of a pyramid is 5. Find the number of its vertices when its edges are 8.

102 Views

48. What is Euler’s formula? Using Euler’s formula, find the number of faces of tetrahedron having vertices as 4 and 6 edges.

126 Views

49. What is a triangular pyramid? What is a pyramid called if its base is a square?

82 Views

50. A dice is a cube in which the number on the opposite faces must total 7. Draw its net.

143 Views