A tank internally measuring 150cm × 120cm × 100cm has $$1281600cm^{3}$$ water in it. Porous bricks are placed

Question

A tank internally measuring 150cm × 120cm × 100cm has $1281600cm^{3}$ water in it. Porous bricks are placed in the water until the tank is full up to its brim. Each brick absorbs one tenth of its volume of water. How many bricks, of 20cm × 6cm × 4cm, can be put in the tank without spilling over the water?

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Accepted Answer

1200. Volume of tank = 150 × 120 × 100 = 18 , 00 , 000 c m 3 150 	imes 120 	imes 100 = 18,00,000 cm^3 150 × 120 × 100 = 18 , 00 , 000 c m 3 Volume of water in the tank = 12 , 81 , 600 c m 3 12,81,600 cm^3 12 , 81 , 600 c m 3 Volume to be filled in the tank = 18 , 00 , 000 − 12 , 81 , 600 = 5 , 18 , 400