a lane 150 M long and 9M wide is to be paved with bricks each measure 22.5 CM by
7.5 cm find the number of bricks required
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area of a lane=(150×9)m sq.
=1350m sq.=135000cm sq
area of each brick=(22.5×7.5)cm sq.
=168.75cm sq.
No. of bricks required =area of lane/area of each brick
=135000/16875×100
=400 bricks
=1350m sq.=135000cm sq
area of each brick=(22.5×7.5)cm sq.
=168.75cm sq.
No. of bricks required =area of lane/area of each brick
=135000/16875×100
=400 bricks
reekraj:
false
yeah i know this
and thnx to u
can u delete this ans or ques
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