how many bricks of 20 cm and 10 cm and 8 cm height are needed to make a platform whose length is 12 and breadth is 10 centimetre height is 2 metre
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Answer
Length of brick=25cm
breadth of brick =15cm
height of brick=10cm
volume of brick =length×breadth×height
=25cm×15cm×10cm
=3750cm3
length of wall=6m=600cm
breadth of wall=0.5m=50cm
height of wall =2.5m=250cm
volume of wall=length×breadth×height
=600×250×50=7500000cm3
the number of bricks required=37507500000
=375750000
=2000
hence, number of bricks =2000
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1
Answer:
2000
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