Correct Answer - Option 2 : 0.6 cubic m
Explanation:
Quantity of masonry = 1 m × 2 m × 0.3 m = 0.6 cubic m
Parameters related to brick:
Weight of a brick is 3 kg to 3.5 kg
Temperature required for the manufacturing of brick is 1200° C
Modular size of brick is 190 mm × 90 mm × 90 mm
Nominal size of brick is 200 mm × 100 mm × 100 mm
∴ Number of bricks required for one cubic meter brick masonry = \(\frac{1}{0.2\times 0.1\times 0.1}=500~\mathbf{bricks}\)