A gas pipe is an example of a cone        (b)  a cylinder       (c)  cube     (d)  sphere

A brick is an example of a cube (b) cuboid (c) prism (d) cylinder

Write five examples of each one of (i) a cone (ii) a sphere (iii) a cuboid and (iv) a cylinder

Which one of the following is an example of a cuboid? a dice (b) a football a gas pipe (d) an ice-cream cone

In a sphere the number of faces is 1 (b) 2 (c) 3 (d) 4

How many vertices does each of the following solids have? (a) cone (b) Cylinder (c ) Sphere (e) Tetrhedron (f) Hexagonal Prism

Give three examples from our daily life which are in the form of a cone (ii) a sphere (iii) a cuboid (iv) a cylinder (v) a pyramid.

Statements : All spheres are cones Some cubes are cones All circles are cubes Conclusions: (i) No cube is sphere (ii) All spheres may be cubes (iii) Some cones are not circles (iv) At least some cubes are circles (v) Some cones which are cubes may be circles

Which of the following is not an example of bio-mass energy source ? (a) wood (b) gobar gas ( c) atomic energy (d) coal.

A balloon is in the shape of a cone surmounted by a hemi sphere. The diameter of the sphere is equaled to the height of the cone. If the height of the balloon is 9 cm then the rate of change in its volume is ---------- times the rate of change in its height is (A) 64pi (B) 6pi (C) 12pi (D) 3pi