a wall is 8m long 4 m high and 22.5cm thick how many bricks of lenths 25cm breath 12.5cm and 8cm high are needed to build the wall?
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Volume of the wall=lbh=800×400×22.5 cm³
Volume of 1 brick=25×12.5×8 cm³
Required no.of bricks=Volume of the wall/Volume of 1 brick
=(800×400×22.5)/(25×12.5×8)
=2880(Ans.)
Volume of 1 brick=25×12.5×8 cm³
Required no.of bricks=Volume of the wall/Volume of 1 brick
=(800×400×22.5)/(25×12.5×8)
=2880(Ans.)
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