How many bricks will be required for a wall 8 m long, 6 m high, 22.5m thick,if each brick measures 25cm×11.25cm× 6cm?
a)640
b)1380
c)6400
d)7600
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Step-by-step explanation:
THE CORRECT ANSWER IS 6400
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Given:
Length 8m
Height 6m
Width 22.5m
Dimension of bricks:(25cm×11.25cm× 6cm)³
Volume of one brick =(25cm×11.25cm× 6cm)
Volume of wall =(800×600×22.5)cm³
Number of bricks =Volume of walls/Volume of one brick
800×600×22.5/25×11.25×6
No.of bricks is 6400
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