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21. Mensuration-II (Volumes and Surface Areas of a Cuboid and a Cube)
Home · Class 8 · Maths · Ref. Book · 21. Mensuration-II (Volumes and Surface Areas of a Cuboid and a Cube)
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Q15 of 77 Page 22

A cube A has side thrice as long as that of cube B. What is the ratio of the volume of cube A to that of cube B?

Given,


Let side of cube B = X cm


Then, side of cube A = 3X cm


So,


=


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13

Find the number of cuboidal boxes measuring 2 cm by 3 cm by 10 cm which can be stored in a carton whose dimensions are 40 cm, 36 cm, and 24 cm.

14

A cuboidal block of solid iron has dimensions 50 cm, 45 cm, and 34 cm, How many cuboids of size 5 cm by 3 cm by 2 cm can be obtained from this block? Assume cutting causes no wastage.

16

An ice-cream brick measures 20 cm by 10 cm by 7 cm. How many such bricks can be stored in deep fridge whose inner dimensions are 100 cm by 50 cm by 42 cm?

17

Suppose that there are two cubes, having edges 2 cm and 4 cm, respectively. Find the volumes V1 and V2 of the cubes and compare them.

Questions · 77
21. Mensuration-II (Volumes and Surface Areas of a Cuboid and a Cube)
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