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Question

A verandah of width 2.25m is constructed all along outside a room which is 5.5m long and 4m wide. Find
(i) The area of the verandah.
(ii) The cost of cementing the floor of the verandah at the rate of Rs 200 per sq.m.


1376819_4af0e7a15248445b8140e4bf1a7a1e65.PNG

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Solution

Given: Length of room =5.5m,
Width of room =4m,
Width of verandah which is constructed all along outside of room =2.25m,

Cost of cementing of verandha = Rs 200 per sq.m

, Length of room with verandah=5.5+2.25+2.25=10m
Width of room with verandah=4+2.25+2.25=8.5m

Area of room=Length×Width=5.5×4=22m2
Area of room with verandah= Length×Width=10×8.5=85m2
Area of verandah=Area of room with verandahArea of room=8522=63m2

Cost of cementing of verandah=Area×Rate=63×Rs.200=Rs.12600

1288726_1376819_ans_fc70e64bce7443f192290c44faeccffe.png

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