Popular Questions
- A 20 m deep well with diameter 7 m is dug and the earth from digging is evenly
- A well of diameter 3 m is dug 14 m deep. The earth taken out of it has been spread
- A container shaped like a right circular cylinder having diameter 12 cm and height 15 cm
- How many silver coins, 1.75 cm in diameter and of thickness 2 mm, must be melted
- A cylindrical bucket, 32 cm high and with radius of base 18 cm, is filled with sand
- Water in a canal, 6 m wide and 1.5 m deep is flowing with a speed of 10 km/h
- A farmer connects a pipe of internal diameter 20 cm from a canal into a cylindrical
- A drinking glass is in the shape of a Frustum of a Cone of height 14 cm
- The slant height of a Frustum of a Cone is 4 cm and the perimeters (circumference)
- A fez, the cap used by the turks, is shaped like the frustum of a cone (see the figure)
- A container, opened from the top and made up of a metal sheet, is in the form of a Frustum
- A metallic right circular cone 20 cm high and whose vertical angle is 60 degree, is cut into two
- A copper wire 3 mm in diameter is wound about a cylinder whose length is 12 cm
- A right triangle whose sides are 3 cm and 4 cm (other than hypotenuse) is made to revolve
- A cistern, internally measuring 150 cm x 120 cm x 110 cm, has 129600 cm cube
- In one fortnight of a given month, there was a rainfall of 10 cm in a river valley
- An oil funnel made of tin sheet consists of a 10 cm long cylindrical portion attached to a Frustum
- Derive the formula for the curved surface area and total surface area of the frustum
- Derive the formula for the volume of the frustum of a cone (using the symbols as explained)
