Cement mortars richer than 1 : 3 are not used in masonry because________?
A(i), (ii) and (iii) are correct
B(ii) and (iii) are correct
COnly (ii) is correct
D(i) and (ii) are correct
Correct answer
D. (i) and (ii) are correct
Explanation
The correct answer is (i) and (ii) are correct.