Question

Find how many cuboidal bricks of dimensions 14 cm x 15 cm x 6 cm will be required to make
a wall of volume 7 m X 4m x 18 m.
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Answer 1

Step-by-step explanation:

First ,

length of wall= 7 m

breath of wall= 4 m

height of wall= 18 m

volume of cuboid= l×b×h

= 7×4×18= 504 cubic metres

length of one brick = 14 cm

breath of one brick= 15 cm

height of one brick = 6 cm

volume of one brick= 14×15×6= 1260 cubic centimetres

number of bricks will be required =

volume of wall/volume of one brick

504 cubic metres/ 1260 cubic centimetres

504 cubic metres= 504000000 cubic centimetres

504000000/1260= 400000 number of bricks will be required to make the given wall

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