Q11 of 77 Page 21

How many bricks each of size 25 cm× 10 cm× 8 cm will be required to build a wall 5 m long, 3 m high and 16 cm thick, assuming that the volume of sand and cement used in the construction is negligible?

Given,


Size of one brick = 25cm × 10cm × 8cm


Dimensions of wall = 5m × 3m × 16cm = 500 cm ×300 cm ×16cm


So,


Number of bricks needed to make the wall =


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