How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build

Question

How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm?

Options:

A . 5600

B . 6000

C . 6400

D . 7200

Answer: Option C

Number of bricks = \(\frac{Volume of the wall}{Volume of 1brick}=\left(\frac{800\times600\times22.5}{25\times11.25\times6}\right)= 6400.\)

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