Question types

Mensuration question types

62 questions across 3 question groups — pick any mix to generate a Mathematics paper with step-by-step answer keys.

62
Questions
3
Question groups
5
Question types
Sample Questions

Mensuration questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Water flows at the rate of $10 m$ per minute through a cylindrical pipe $5 mm$ of diameter. How much time would it take to fill a conical vessel whose diameter at he surface is $40 cm$ and depth is $24 cm$?
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A metal container in the form of a cylinder is surmounted by a hemisphere of the same radius. The internal height of the cylinder is $7\  m$ and the internal radius is $3.\ m.$ Calculate: the internal volume of the container in $m^3$.
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Q 6[3 marks sum]3 Marks
A circus tent is cylindrical to a height of $3$ meters and conical above it. If its diameter is $105$ m and the slant height of the conical portion is $53 m$ calculate the length of the canvas which is $5m$ wide to make the required tent.
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Q 7[3 marks sum]3 Marks
A conical tent is accommodate to $11$ persons each person must have $4$ sq. metre of the space on the ground and $20$ cubic metre of air to breath. Find the height of the cone.
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Q 8[3 marks sum]3 Marks
A vessel in the form of an inverted cone is filled with water to the brim: Its height is $20\ cm$ and the diameter is $16.8\ cm.$ Two equal solid cones are dropped in it so that they are fully submerged. As a result, one-third of the water in the original cone overflows. What is the volume of each of the solid cones submerged?
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Q 9[3 marks sum]3 Marks
The radius of two right circular cylinder are in the ratio of $2 : 3$ and their heights are in the ratio of $5: 4$ calculate the ratio of their curved surface areas and also the ratio of their volumes.
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Q 10[3 marks sum]3 Marks
A metallic cylinder has a radius of 3 cm and a height of 5 cm. It is made of metal A. To reduce its weight, a conical hole is drilled in the cylinder, as shown and it is completely filled with a lighter metal B. The conical hole has a radius of $\frac{3}{2}$ cm and its depth is $\frac{8}{9}$ cm. Calculate the ratio of the volume of the metal A to the volume of metal B in the solid.
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Q 12[4 marks sum]4 Marks
An exhibition tent is in the form of a cylinder surmounted by a cone. The height of the tent above the ground is $85$ m and height of the cylindrical part of $50$ m. If the diameter of the base is $168$ m, find the quantity of canvas required to make the tent. Allow $20\%$ extra for fold and for stitching. Give your answer to the nearest $m^2$.
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Q 13[4 marks sum]4 Marks
Water flows through a cylindrical pipe of internal diameter $7 cm$ at $36 km/hr$. Calculate the time in minutes it would take to fill the cylindrical tank, the radius of whose base is $35 cm$, and height is $1 m$.
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Q 14[4 marks sum]4 Marks
A buoy is made in the form of a hemisphere surmounted by a right circular cone whose circular base coincides with the plane surface of the hemisphere. The radius of the base of the cone is $3.5 m$ and its volume is two-third the volume of hemisphere. Calculate the height of the cone and the surface area of the buoy, correct to two decimal places.
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Q 15[4 marks sum]4 Marks
A spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of two of the balls are 1.5 cm and 2 cm. Find the diameter of the third ball.
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