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Question -

A verandah of width 2.25 m is constructed all along outside a room which is 5.5 m long and 4 m wide. Find:
(i) the area of the verandah.
(ii) the cost of cementing the floor of the verandah at the rate of ₹ 200 per m2.



Answer -


Length of the room = 5.5 m
Breadth of the room = 4 m
∴ Areaof the room = l × b = 5.5 m × 4 m = 22 m2
Width of the verandah = 2.25 m
Length of the room including verandah
= 5.5 m + 2 × 2.25 m = 10 m
Breadth of the room including verandah
= 4 m + 2 × 2.25 m = 8.50 m2
Area of the room including verandah = l × b
= 10 m × 8.50 m = 85 m2
(i) Area of the verandah = 85 m2 –22 m2
= 63 m2
(ii) Cost of cementing the floor of the verandah = ₹ 63 × 200 = ₹12600

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