Ques 11 is my doubt and pls give me answers regarding it
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total surface area of brick = 2{( 22.5*10)+(10*7.5)+(22.5*7.5)}
= 2 * {225+75+168.75}
=2 * 468.75
= 937.5cm2 == 0.09375m2
no: of bricks that can be painted = 9.375 / 0.09375
= 100 bricks
= 2 * {225+75+168.75}
=2 * 468.75
= 937.5cm2 == 0.09375m2
no: of bricks that can be painted = 9.375 / 0.09375
= 100 bricks
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