Find how much he would spend on tiles if cost of the tile is Rs. 7200 per dozen?

Question

Rohan has built a cubical water tank with lid for his apartment with each outer edge equal to 1.5 m.
He gets the outer surface of the tank including the base, covered with square Italian tiles of sides 25 cm.
Find how much he would spend on tiles if cost of the tile is Rs. 7200 per dozen?

Answer 1

Rs. 108000

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Area required- 5*(1.5 m)^2= 11.25 m^2
Tiles required - 11.25/(0.25)^2=180
Cost of 1 tile- Rs. 7200/12= Rs. 600
Cost of tiles- Rs. 600 *180= Rs. 108000