The compressive strength of the brick should be:
(a) Minimum 3.5 kN/m^2
(b) Maximum 3.5 kN/m^2
(c) Minimum 3.5 N/mm^2
(d) Maximum 3.5 N/mm^2
I got this question in quiz.
This interesting question is from Qualities of Good Brick in chapter Materials for Construction of Basic Civil Engineering