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If each edge of a cube is tripled, then find how many times will its volume become?

Important Questions on Mensuration

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8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 18 - Mensuration>Exercise>Q 7
A milk tank is in the form of cylinder whose radius is 1.4 m and height is 8 m. Find the quantity of milk in litres that can be stored in the tank.
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8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 18 - Mensuration>Exercise>Q 8
A closed box is made of 2 cm thick wood with external dimension 84 cm×75 cm×64 cm. If the volume of the wood required to make the box is k cm3, then find the value of k.
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8th ICSE
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ICSE Understanding Mathematics Class 8>Chapter 18 - Mensuration>Exercise>Q 9
Two cylindrical jars contain the same amount of milk. If their diameters are in the ratio 3 : 4, find the ratio of their heights.
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8th ICSE
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ICSE Understanding Mathematics Class 8>Chapter 18 - Mensuration>Exercise>Q 10
The radius of the base of a right circular cylinder is halved and the height is doubled. What is the ratio of the volume of the new cylinder to that of the original cylinder?
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8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 18 - Mensuration>Exercise>Q 11
A rectangular piece of a tin of size 30 cm×18 cm is rolled in two ways, once along its length (30 cm) and once along its breadth. Find the ratio of volumes of two cylinders so formed.
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8th ICSE
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ICSE Understanding Mathematics Class 8>Chapter 18 - Mensuration>Exercise>Q 12

Water flows through a cylindrical pipe of internal diameter 7 cm at 5 m per sec. Calculate the volume in litres of water discharged by the pipe in one minute.

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8th ICSE
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ICSE Understanding Mathematics Class 8>Chapter 18 - Mensuration>Exercise>Q 12

Water flows through a cylindrical pipe of internal diameter 7 cm at 5 m/s. Calculate the time in minutes, the pipe would take to fill an empty rectangular tank of size 4 m × 3 m ×2.31 m.

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8th ICSE
IMPORTANT
ICSE Understanding Mathematics Class 8>Chapter 18 - Mensuration>Exercise>Q 13
Two cylindrical vessels are filled with milk. The radius of one vessel is 15 cm and height is 40 cm, and the radius of other vessel is 20 cm and height is 45 cm. Find the radius of another cylindrical vessel of height 30 cm which may just contain the milk which is in the two given vessels.