Question

Q22. A lane 180 m long & 5 m wide is to be paved with bricks of length 20cm and breath
15cm, find the total number of bricks.​

Answer 1

Answer:

area of lane= 180m * 5m=900m2

area of bricks= 0.2m* 0.15m= 0.03m2

no of bricks needed= 900m2/0.03m2

= 30000 bricks