Question

Shahid has built a cubical water tank with lid for his house. with each edge 2m. he gets the outer surface of the tank excluding the base, covered with square tiles of side 25cm find how much he would spend for the tiles,if one dozen of tiles costs him ₹480.​

Answer 1

Answer:

Edge of tank = 2 m = 2 x 100 cm = 200 cm

Area of five faces of the tank = 5a2 = 5 (200 cm)2 = 2,00,000 cm2

Area of a square tile = 25 cm x 25 cm = 625 cm2

Number of tiles required = Area of five walls/Area of a tile = 200000/625 = 320 = 320/12 dozen

Cost of one dozen of tiles = ₹480

∴ Cost of 320/12 dozen tiles = ₹480 x 320/12 = ₹12, 800

Answer 2

Answer:

the answer is rupees 12800

Step-by-step explanation:

Hope this answer helps you