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A wall 8m long, 6 m high and 22.5 cm thick is made up of bricks, each measuring 25 cm × 6 cm The number of bricks required is

A wall 8m long, 6 m high and 22.5 cm thick is made up of bricks, each measuring 25 cm × 6 cm The number of bricks required is Correct Answer 6,400

Volume of wall = (8×100)×(6×100)×22.5 = 10800000Volume of bricks  = 25×11.25×6  = 1687.5.'. The number of bricks  = 108000001687.5 = 6400

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