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Byju's Answer
Standard VII
Physics
Volume of Regular Solids
A brick has a...
Question
A brick has a cubic shape and has an edge of length 45 cm. How many such bricks can fit in a room having a length of 4.5 m, breadth of 2.7 m and height of 1.8 m.
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Solution
Volume of room
=
4.5
×
2.7
×
1.8
c
m
3
=
2187
×
10
4
c
m
3
Volume of brick
=
45
3
c
m
3
=
91125
c
m
3
No. of brick
=
240
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