How many bricks is 25 cm long 10 cm wide and 7.5 CM thick will be required to make a wall 15 M long 20 CM thick and 3M high
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volume of brick=l×h×b
=(25×10×7.5)cm^3
volume of wall= l×b×h
=(1500×20×300)cm^3
number of bricks=vol. of wall ÷vol. of brick
= 4800 bricks
=(25×10×7.5)cm^3
volume of wall= l×b×h
=(1500×20×300)cm^3
number of bricks=vol. of wall ÷vol. of brick
= 4800 bricks
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