Question Text
Question 1 :
The volume of a frustum of cone is calculated by using the formula ______.
Question 2 :
A right circular cylinder and a right circular cone both having the same radius and height then the ratio of their volumes is
Question 3 :
A shuttle cock used for playing badminton has the shape of the combination of<br>
Question 4 :
<p>The slant heightof a frustum of a drum is 12 ft and the perimeters of its circular ends are 10ft and 2 ft. Find the curved surface area of the drum.(Use $\pi$ = 3.14)</p>
Question 5 :
A cone of height $7$ cm. and base radius $3$ cm. is carved from a rectangular block of wood of dimensions $10 cm. \times 5 cm. \times 2$ cm. The percentage of wood wasted is
Question 6 :
The perimeter of the ends of a frustum of a cone are $44cm$ and $8.4\pi cm$. If the depth is $14cm$, then find its volume.
Question 7 :
During conversion of a solid from one shape to another, the volume of the new shape will<br>
Question 8 :
Find the volume of the frustum cone whose base and topradius is 20 ft and 10 ft respectively. The height of the cone is 300 ft. (Use $\pi$= 3).
Question 9 :
<p>If the radii of the circular ends of a conical glass are $15$ and $9$ cm whose slant height is 35 cm. Find the surface area of the glass? (Use $$\pi $ = $3$)</p>
Question 10 :
Find the volume of a frustum cone, whose baseand upper area of a circle is 20 and 80 $m^2$. The height of the cone is 45.5 m.