Q21 of 77 Page 22

The volume of acuboidal box is 48 cm3. If its height and kength are 3 cm and 4 cm respectively, find its breadth.

Given,


Volume of cuboidal box = 48 cm3


Height of box = 3 cm


Length of box = 4 cm


Let height of box = h cm


So,


=


=


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The weight of a metal block of size 5 cm by 4 cm by 3 cm is 1 kg. Find the weight of a block of the same metal of size 15 cm by 8 cm by 3 cm.

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How many soap cakes can be placed in a box of size 56 cm×0.4 m× 0.25 m, if the size of a soap cake is 7 cm× 5cm× 2.5 cm?

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Find the volume in cubic metres (cu.m) of each of the cuboids whose dimensions are :

(i) length = 12 m, breadth = 10 m, height = 4.5 m


(ii) length = 14 m, breadth = 2.5m, height = 50 cm


(iii) length = 10m, breadth = 25 dm, height = 25 cm.

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Find the volume in cubic decimetre of each of the cubes whose side is

(i) 1.5 m


(ii) 2 dm 5 cm