Question

A swimming pool has the dimensions of 30m 25m and 12m Find the cost of cementing its floor and walls at the rate of rupees 32 per sq m

Answer 1

Length=30m
Breadth=25m
Height=12m
Area=2(l+b)h+lb
=2(30+25)12+30×25
=24×55+750=1320+750
=2070m sq.
cost of cementing at per m sq.=Rs32
cost of cementing at 2070m sq.=Rs(2070×32)
=Rs66240


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Answer 2

Answer:

lenght-30m

breadth-25m

height-12m

Area=2(l+b) h(l+b)

=2(30+25) 12(30+25)

=24×55+750

=1320+750

=2070m sq

cost of cementing at per m sq=Rs32

cost of cementing at 2070m sq

=(2070×32)

=Rs66240