Question

the length breadth and height of a room are 5m,4m,3m respectively. find the cost of the white washing of the inner of room and ceiling at the rate of rupees 50 per square metre.


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Answer 1

Step-by-step explanation:

dimensions of the room:----

l=5m

b=4m

h=3m

total area to be whitewashed = CSA + area of ceiling

=2h(l+b) + lb

=2×3(5+4) + 5×4

=6×9+20

=54+20

=74m²

so cost of whitewashing = rs50per m²

so total cost = 74×50

=3700Rs

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