Question

3. How many bricks, each of dimensions 25 cm x 16 cm x 10 cm will be needed to build a wall 24 m long,
6 m high and 0.4 m thick.​

Answer 1

Answer:

volume of the wall/volume of brick=no of brick needed to make the wall

=> 100(24 ×6×0.4)/25×16×10=

5760/40=144//

Therefore 144 bricks is needed to make the wall.