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A cistern, internally measuring 150 cm x...

A cistern, internally measuring `150 cm xx120 cm xx110 cm` has `129600 cm^(3)` of water in it. Porous brickes are placed in the water until the cistern is full to the brim. Each brick absorbs one-seveneenth of its own volume of water. How many bricks can be put in without overflowing the water, each brick being `22.5 cm xx7.5 cm xx 6.5 cm `?

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