1.

A room5 m long 4.5 mwide and 3.6mhigh has one door 1.5 mby 2.4mand two windowseach 1m by 0.75m. Find:(i)the area of its walls ,excluding door and windows. (ii)the cost of distempering its walls at the rate of rupees 4.50per m ^(2) (iii)The cost of painting itsroof at the rate of rupees 9 per m ^(2)

Answer»


Answer :` 63. 3 m ^(2)(II)284 . 85 (iii)202 . 50 `


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