How many bricks of size 25cm×15cm×6cm are required to make a wall 5cm long,2m high and 50cm thick, if 10% place is occupied by cement
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Answer:
volume of a brick=25x15x6=2250cm2
Volume of wall=5000X200x50
= 50000000( Length is here taken
50m)
Cement5ooooooox 10/100 =
5 oooooo
Remaining vol=5ooooooo-5000000
= 45 oooooo
bricks required
= 45000000/2250=20000. Ans
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