Q1 of 99 Page 264

See the house of Kamal and let us find the answer.


(i) Let us write by calculating the area of Kamal’s garden.


(ii) Let us write by calculating how much cost is required to repair the floor of Kamal’s verandah, if Rs. 30 is the cost per square meter.


(iii) kamal wants to cover the floors of his reading room with tiles. Let us write by calculating how many tiles will be required to cover his floor of reading room with size of tiles 25 cm × 25 cm.

From the figure, we see that the garden measures 20m x 20m


Area = L × B = 20m × 20m = 400m2


(ii) Varandah measures 10m x 5m.


Total Area of Varandah = L × B = 10m × 5m = 50m2


Cost per square meter = Rs. 30


If 1 m2 costs Rs. 30


50m2 costs Rs. 50 × 30 = Rs. 1500


(iii) Length of the reading room = 5m


Breadth of the reading room = 6m


As,


Area of rectangle = length × breadth


Area of floor of his room = 5 × 6 = 30 m2


Area of one tile = length × breadth


= 25 cm × 25 cm


= 0.25 m × 0.25m


= 0.0625 m2


No of tiles required


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