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Total area of cubical tank =6l²
=6(2m)²
=6×4m²
=24m²
area of tiles = (0.25m)²=0.0625m²
so,
no. of tiles required=24/0.0625
=24×10000/625
=24×16
=384
cost of 12 tiles (1 dozen) = rs. 360
cost of 1 tile = 360/12= rs. 30
cost of 384 tile i.e. K = 384×30
K = rs. 11520
so,
K÷4= 11520÷4= 2880
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