the length,breadth,and height of a hall are 10m,8m,and 6m,respectively. the whole has two roots of area 2m×1.5m and three windows of area 1.5m×1m.Find the cost of painting walls at the rate of rupees 180 per square metre.
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Total area = 2(10*8+8*6)
, = 256m2
Area of two roots,, =2(2*1.5)
=6m2
Area of 3 windows =3(1.5*1)
=4.5m2
Net area excluding 3 windows and 2 roots is
=256-(6+4.5)
=245.5m2
Cost of painting of area 245.5m2 is
180*245.5=Rs 44190
, = 256m2
Area of two roots,, =2(2*1.5)
=6m2
Area of 3 windows =3(1.5*1)
=4.5m2
Net area excluding 3 windows and 2 roots is
=256-(6+4.5)
=245.5m2
Cost of painting of area 245.5m2 is
180*245.5=Rs 44190
neha319:
your answer is wrong
right answer is rupees 36990
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