Question

A tank, internally measuring 150cm x 120cm x 110cm, has 129600 cubic cm of water in it. Porous bricks are placed in the water until the cistern is full to the brim. Each brick absorbs one-seventeenth of its own volume of water. How many bricks can be put in it without overflowing the water, each brick having dimensions 22.5cm x 7.5cm x 6.5cm?

Answer:

1792 bricks can be put in the tank.

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